Top 15 Best Drill Bit for Lug Nuts You Can’t Miss

As an Amazon Associate, I earn from qualifying purchases. This post contains affiliate links. Which means I may earn a small commission when make a purchase through my links, at no additional cost to you.

Dealing with stubborn lug nuts can be frustrating, especially when standard tools just won’t cut it. Finding the right drill bit designed specifically for lug nuts can save time and effort during removal or repair.

This product is ideal for mechanics, DIYers, and anyone who often works on vehicle wheels and wants reliable results. It offers durability and efficiency, which can make awkward jobs much easier.

In this review, we will explore key features, performance, and practical uses of some leading drill bits for lug nuts. You’ll learn what makes a drill bit suitable for this purpose and how to choose the right one for your needs.

Unlock Ultimate Performance with These Top Picks for Tackling Stubborn Lug Nuts

ImageProductPrice
Our Selected Top 1
DEWALT Nut Driver Set, Double Ended, 2-Piece (DWADEND-2)
Check Price Now
Our Selected Top 2
Klein Tools 32926S 2-Inch Magnetic Power Nut Setters, Compact Impact
Check Price Now
Our Selected Top 3
Makita B-65399 Impact Gold 14 Pc. Titanium Drill Bit Set,
Check Price Now

1. DEWALT Nut Driver Set, Double Ended, 2-Piece (DWADEND-2)

DEWALT offers a versatile Nut Driver Set designed to boost efficiency for your fastening tasks. This set features double-ended drivers, making it adaptable to different fastener sizes without swapping tools.

Ideal for those who demand precision and durability in every project, it pairs well with impact drivers and wrenches for enhanced performance.

Constructed with an industrial-strength magnet, these nut drivers ensure fasteners stay securely in place throughout use, minimizing dropped or lost hardware. The detachable design simplifies cleaning, prolonging tool life, and maintaining reliability. Additionally, an advanced hardening process fortifies the drivers, allowing them to withstand high torque and heavy-duty applications.

Suitable for securing lug nuts and other hardware, the set includes sizes compatible with 1/4 and 5/16 drive bits. Whether working on automotive repairs or assembly projects, these drivers offer dependable functionality and a comfortable grip for extended use.

Their robust build quality provides long-term value, making them ideal for professionals or DIYers who require a compact and efficient nut driver solution.

Pros

  • Double-ended design enhances versatility without extra tools
  • Industrial-strength magnet ensures fastener retention during use
  • Durable construction withstands high torque and heavy use

Cons

  • Set includes only two pieces, which may limit size options

DEWALT’s Nut Driver Set impresses with its balance of strength and convenience. Its compatibility with impact drivers makes it practical for demanding applications involving lug nuts and various fasteners.

Compared to similar sets, this offers focused versatility without excess bulk.

SpecificationDetails
Drive SystemNutsetter
Bit Shank StyleHex
Bit Compatibility1/4″, 5/16″
DesignDouble ended for added versatility
Magnet TypeIndustrial-strength for fastener retention
SuitabilityImpact Drivers and Wrenches
Additional FeatureDetachable design for easy cleaning
DurabilityAdvanced hardening process

Personally, I appreciate how the DEWALT Nut Driver Set caters efficiently to specific tasks like lug nut fastening without unnecessary extras. Its strong magnet and sturdy build give confidence during use, especially for impact driver applications. Those requiring a compact, reliable set for tight spots and moderate fastener sizes will find it particularly useful, even if a broader size range would be preferable for extensive jobs.

Those requiring a compact, reliable set for tight spots and moderate fastener sizes will find it particularly useful, even if a broader size range would be preferable for extensive jobs.

2. Klein Tools 32926S 2-Inch Magnetic Power Nut Setters, Compact Impact

Discover the Klein Tools 32926S 2-Inch Magnetic Power Nut Setters, engineered to combine strength and convenience in one compact set. Designed specifically for impact drivers, this six-piece collection offers versatile SAE sizes to tackle a variety of fastening tasks effortlessly.

With powerful magnets and color-coded knurled shafts, these nut setters simplify fastener handling and size identification. Perfect for quick jobs or heavy-duty applications, the set offers reliability and precision in tight spaces.

Constructed from premium alloy steel, each nut setter resists wear and maintains strength during demanding jobs. The impact-rated design makes them ideal for direct use with impact drivers, providing durability under repeated use without compromising performance. Compact 2-inch lengths allow low-profile access where space is limited, making them an excellent choice for automotive and construction tasks.

Compact 2-inch lengths allow low-profile access where space is limited, making them an excellent choice for automotive and construction tasks.

Powerful solid magnets hold fasteners securely, allowing one-handed driving and reducing the chance of dropped nuts. Color-coded knurling enables quick, efficient size recognition, even in low-light conditions. This thoughtful design minimizes downtime, enhancing productivity and convenience during work.

This thoughtful design minimizes downtime, enhancing productivity and convenience during work.

The hex shank drive fits a variety of impact drivers, expanding compatibility and ease of use. This power nut setter set is well suited for both professionals and DIY users who require dependable tool performance and easy handling. Its rugged build and practical features offer great value by improving workflow efficiency on any project.

Its rugged build and practical features offer great value by improving workflow efficiency on any project.

Pros

  • Strong magnetic tips secure fasteners for one-handed operation
  • Color-coded knurled shafts ensure quick size identification
  • Durable alloy steel construction withstands impact driver use

Cons

  • Limited to SAE sizes, may not cover metric fasteners

The Klein Tools 32926S Magnetic Power Nut Setters deliver robust performance in a compact package. Their magnetic retention, impact durability, and easily identifiable sizing make them a practical choice for fastener work across many industries.

While focusing on SAE sizes, this set excels in efficiency and reliability, making everyday tasks smoother and faster.

SpecificationDetails
Set Size6-Piece
Nut Setter Sizes1/4, 5/16, 3/8, 7/16, 1/2, 9/16 Inch (SAE)
Length2 Inches
MaterialPremium Alloy Steel
Drive SystemHex Shank
Tip TypeMagnetic
CompatibilityImpact Driver
Color CodingKnurled, Color-Coded for Size Identification
DurabilityImpact-Rated

In my experience, this set stands out by combining a practical size range with strong magnets and solid construction, easing many fastening tasks. It compares well to other nut setter sets by offering color-coded speed and impact durability at a competitive level. Though it focuses on SAE sizes, the thoughtful design and reliable build make it a worthy addition for those regularly working with lug nuts and similar applications.

3. Makita B-65399 Impact Gold 14 Pc. Titanium Drill Bit Set,

Experience superior drilling performance with the Makita B-65399 Impact Gold 14 Pc. Titanium Drill Bit Set.

Whether working on metal, wood, or plastic, this set adapts effortlessly to different tasks.

The titanium nitride coating boosts lifespan significantly while the split point design minimizes bit walking. Perfect for both professionals and DIYers seeking versatile and long-lasting drill bits.

Designed to deliver efficiency, the titanium nitride (TiN) coating on these bits lasts approximately 5 times longer than standard non-coated bits.

The 135-degree split point geometry enhances faster starts and reduces walking, which provides greater accuracy when initiating a hole. Each bit is impact rated, making them compatible with 1/4 inch hex impact drivers for demanding applications.

This set covers a wide range of sizes from 1/16 to 1/2 inch, accommodating diverse drilling needs. The robust construction handles various materials including ferrous metals, stainless steel, wood, cast iron, plastic, and non-ferrous metals with ease. Designed for ease of use, these bits maintain sharpness, reducing the need for frequent replacements.

Weighing just over a pound, the set is compact and convenient to keep in any workshop or tool bag. The set strikes a balance between quality and versatility, making it suitable for automotive repairs, home improvement projects, and metal fabrication tasks.

Its compatibility with hex shank impact drivers enhances control and reduces slippage during operation.

Pros

  • Durable titanium nitride coating extends bit life significantly
  • 135° split point reduces walking for precise drilling starts
  • Compatible with 1/4 inch hex impact drivers for tough jobs

Cons

  • Does not include a storage case for organization

The Makita B-65399 Impact Gold Titanium Drill Bit Set combines reliability and versatility in a lightweight package that suits various drilling needs. Its strength lies in the longer-lasting titanium coating and enhanced tip design, ensuring dependable performance over time.

Specification Details
Brand Name Makita
Model B-65399
Set Name 14-Piece Titanium Drill Bit Set
Unit Count 14 Pieces
Shank Type 1/4 in. Hex Shank
Sizes Included 1/16, 5/64, 3/32, 7/64, 1/8 (x2), 9/64, 5/32, 3/16, 7/32, 1/4, 5/16, 3/8, 1/2 inch
Item Weight 1.05 Pounds
Material Compatibility Ferrous metal, stainless steel, wood, plastic, cast iron, non-ferrous metal
Coating Titanium Nitride (TiN)
Point Geometry 135° Split Point

From my experience, the Makita Impact Gold drill bits offer a great balance of durability and precision for a variety of drilling tasks. The set’s excellent coating and design reduce bit wear, allowing for consistent performance over time. While a storage case would improve convenience, the bit sizes and compatibility make this an excellent addition to any toolbox, especially for those needing reliable bits for metal and automotive work.

While a storage case would improve convenience, the bit sizes and compatibility make this an excellent addition to any toolbox, especially for those needing reliable bits for metal and automotive work.

4. Klein Tools 32940 SAE Magnetic Hollow Impact Nut Drivers Set,

Handling lug nuts and tough fasteners becomes simpler with the Klein Tools 32940 SAE Magnetic Hollow Impact Nut Drivers Set. Designed for durability and precision, this set perfectly balances reach and magnetic strength for secure and efficient fastening.

Engineered to withstand demanding impact tasks, these drivers offer impressive retention and accessibility, making them a reliable addition to any toolkit targeting lug nuts and similar applications.

The set features six hollow shafts in sizes ranging from 1/4 to 9/16 inch, covering a broad spectrum of standard lug nuts and fasteners. Each driver’s magnet size increases with its hex size, improving fastener retention and reducing the risk of dropped nuts during operation.

Rare-earth magnets hold fasteners tightly, enabling efficient one-handed driving and minimizing the need for constant adjustments. Constructed for industrial and construction use, these impact-rated nut drivers endure heavy use without deforming or losing performance.

The hex shank design ensures compatibility with hand tools and nut drivers, enhancing versatility across tasks.

Thanks to the magnetic tip configuration, fastener slips are kept to a minimum, increasing work speed and precision. Their rugged build quality guarantees long-lasting durability, making them ideal for mechanics, electricians, and construction professionals focusing on lug nut applications. The set offers both value and dependable performance throughout extended projects.

The set offers both value and dependable performance throughout extended projects.

Pros

  • Strong rare-earth magnets improve fastener retention.
  • Extended 5-inch shafts for better accessibility.
  • Impact-rated construction withstands heavy-duty use.

Cons

  • Limited to SAE sizes; no metric options included.

Offering exceptional reliability and practical features, this nut driver set performs well for tasks involving lug nuts and similar fasteners. Its magnetic retention and impact rating give it an edge over standard drivers.

Below is a summary of its specifications for quick reference.

Feature Specification
Hex Sizes 1/4, 5/16, 3/8, 7/16, 1/2, 9/16 Inch
Shaft Length 5 Inches
Magnet Type Rare-Earth
Drive System Hex
Tip Configuration Magnetic Tip
Application Construction, Industrial
Compatibility Hand Tool, Nut Driver
Impact Rating Yes

From a hands-on perspective, the Klein Tools 32940 set stands out for its balance between durability and user-friendly design. The magnetic retention alone reduces frustration and improves efficiency during repetitive tasks.

Compared to other nut drivers targeting lug nuts, this set’s combination of extended reach and impact resistance delivers higher reliability under pressure. It’s an excellent choice for those seeking a trustworthy, professional-grade toolset that won’t easily wear down or falter during heavy use.

5. Klein Tools 32768 Impact Driver Set, 3-in-1 SAE Impact Socket

Experience versatile functionality with the Klein Tools 32768 Impact Driver Set. This innovative 3-in-1 SAE impact socket streamlines your tool collection by combining multiple drive sizes into one compact unit. Designed to simplify tough fastening tasks, it offers remarkable convenience for professionals and DIYers alike.

Designed to simplify tough fastening tasks, it offers remarkable convenience for professionals and DIYers alike.

Durable and efficient, this impact socket is built to withstand rigorous use. The 5/16-inch and two 1/4-inch hex driver sizes adapt quickly to different fasteners. Equipped with a 1/4-inch quick-connect adapter, it pairs seamlessly with your impact driver for immediate operation.

Equipped with a 1/4-inch quick-connect adapter, it pairs seamlessly with your impact driver for immediate operation.

The set includes a multi-function flip socket, featuring shallow and deep 1/4-inch drivers alongside a 5/16-inch option. These configurations enable quick shifts to fit various lug nuts and fasteners without interruption.

Both blades fit comfortably with Klein Tools screwdriver handles, matching well with handles Cat. Nos.

32303, 32304, and Crafted with quality materials, the shafts come in two lengths: a 5-inch shaft for extended reach and a 3-inch shaft for compact spaces. This enhances ease of use in different work environments.

Performance remains consistent under impact conditions thanks to the impact-rated construction. This driver set offers solid durability without sacrificing precision, making it ideal for automotive repairs or mechanical applications.

Pros

  • 3-in-1 flip socket simplifies switching between drive sizes
  • Strong rare-earth magnet secures bits and fasteners firmly
  • Impact-rated with quick-connect adapter for smooth operation

Cons

  • Limited to specific hex drive sizes without additional adapters

The Klein Tools 32768 Impact Driver Set combines versatility and durability in a compact design. Its unique flip socket mechanism and magnetic bit holder make demanding tasks easier and faster.

SpecificationDetails
Drive SystemHexDrive
Bit Shank StyleHex
Bit Compatibilities1/4 inch
Socket Sizes5/16-Inch, 1/4-Inch shallow & deep
Shaft Lengths5-Inch (76 cm) and 3-Inch (8 cm)
MagnetRare-Earth Magnet
Adapter Type1/4-Inch Quick-Connect

Having tested various impact driver accessories, I appreciate how this Klein set streamlines work by reducing tool swaps. The build quality feels robust, handling tough impacts without wear.

While it doesn’t cover all drive sizes, it serves well for many standard fasteners, making it an excellent, practical choice.

6. Bosch TI5IM 5 Pc. Impact Tough™ Titanium Nitride Coated Drill

Upgrade your toolkit with the Bosch TI5IM Impact Tough™ Titanium Nitride Coated Drill Bit Set. Designed to deliver precision and durability, this set tackles heavy-gauge and high-carbon steel effortlessly.

Its impact-rated build ensures exceptional performance under demanding conditions.

With a no-skate tip and laser-marked diameters, drilling starts accurately every time. The long flutes provide efficient material removal, making projects smoother and faster to complete.

The Bosch TI5IM set stands out for its sturdy titanium nitride coating, minimizing friction and prolonging bit life. Each bit is crafted for tough materials, offering reliable torque resistance thanks to its impact-rated shank design. This combination boosts drilling efficiency and reduces wear when working with lug nuts or other hardened metals.

This combination boosts drilling efficiency and reduces wear when working with lug nuts or other hardened metals.

Included sizes range from 3/32 to 1/4, covering common applications and fitting various drill drivers. The clear laser markings on each bit allow quick identification, saving time during tasks. The bits’ balanced construction provides steady, vibration-controlled drilling, which helps produce clean holes with minimal effort.

Built to withstand demanding use by professionals and DIYers alike, these drill bits deliver consistent quality and precision. The set’s versatility complements drills used in automotive, construction, or metalworking projects. Its thoughtfully engineered features ensure a smooth user experience, making it ideal for anyone looking for reliable, impact-rated drill bits.

Pros

  • Durable titanium nitride coating reduces friction and extends bit life.
  • Impact-rated shank provides enhanced torque resistance for tough materials.
  • Long flutes improve chip removal and drilling efficiency.

Cons

  • May not include larger sizes needed for some specialty tasks.

The Bosch TI5IM drill bit set offers durable construction and reliable performance suited for heavy-duty drilling tasks. Its specialized features make it a solid choice for metalworking and automotive jobs, especially where accuracy and bit longevity are priorities. Compared to standard bits, this set delivers improved torque handling and reduced wear during impact drilling.

Compared to standard bits, this set delivers improved torque handling and reduced wear during impact drilling.

SpecificationDetails
BrandBosch
ModelTI5IM
Bit Sizes Included3/32″, 1/8″, 5/32″, 3/16″, 1/4″
CoatingTitanium Nitride
Number of Pieces5
Item Weight18.14 g
Shank TypeImpact-rated
Material UseHeavy-gauge and high-carbon steel
Special FeaturesNo-skate tip, laser marking, long flutes
UPC000346475630

From my experience, the Bosch TI5IM set balances toughness and precision effortlessly. The titanium coating really cuts down on heat buildup, which means less bit replacement for prolonged projects.

Its laser-marked sizing is a simple but effective addition that speeds up tool switching. While it lacks some larger sizes, the bits cover most common needs, making them a wise addition for anyone working with metal or automotive fasteners.

7. LEXIVON Impact Socket Set, 6 Total Lug Nut Size |

Unlock superior performance in your automotive and construction tasks with the LEXIVON Impact Socket Set. Designed for precision and strength, these sockets cater to various lug nut sizes, offering versatility and durability in one innovative package.

Whether you’re a professional mechanic or a dedicated car owner, the comprehensive set simplifies your work, ensuring efficient and reliable lug nut removal and installation every time.

The LEXIVON Impact Socket Set features six crucial lug nut sizes, including metric and standard options such as 17mm, 19mm, 21mm, 3/4, 13/16, and 7/8. A 3-inch extension bar adds extra reach to tackle deep or recessed nuts with ease.

Constructed from heat-treated Chrome Molybdenum alloy steel, the sockets are fully impact-grade and built to endure the high torque produced by air-powered impact drivers without compromising strength. A manganese phosphate coating delivers outstanding rust and corrosion resistance, extending the tool’s lifespan and maintaining its sleek finish.

Functionality is enhanced by the spring-loaded detent ball that locks sockets securely onto the drive, preventing slippage or accidental drops. Clear laser-etched size markings ensure quick identification, saving valuable time during busy projects.

This set complies with ANSI standards, promising consistent quality and safety for every job.

Ease of use and durability make this socket set an excellent investment for automotive repairs, tire changes, and general mechanical work. It stands out as an ideal choice for those requiring reliable performance and long-lasting tools, allowing for seamless operation with impact drivers and other compatible tools.

Pros

  • Heat-treated Chrome Molybdenum alloy steel ensures long-lasting durability
  • Flip side duo-end sockets reduce thickness and increase versatility
  • Spring-loaded detent ball prevents socket drops and improves safety

Cons

  • Only includes commonly used lug nut sizes, lacking some specialty sizes

Overall, the LEXIVON Impact Socket Set stands out for its sturdy build, user-friendly features, and broad size range suited to common lug nut applications. Its robust materials and corrosion protection promise long service life, outlasting many competing sets in this category.

SpecificationDetails
Drive System1/2-inch Square to External Hex
Socket Sizes17mm, 19mm, 21mm, 3/4″, 13/16″, 7/8″
Extension Bar Length3 inches
MaterialHeat-treated Chrome Molybdenum alloy steel
CoatingManganese Phosphate
CompatibilityImpact driver and air-powered impact tools
Locking MechanismSpring-loaded detent ball & drive tang through-hole
StandardsANSI Certified

The combination of strength, corrosion resistance, and smart design features in this socket set make it very appealing. It holds up well compared to other impact socket sets by delivering on both performance and convenience.

Personally, I appreciate its solid feel in-hand and how the locking system minimizes interruptions due to dropped sockets. It’s a dependable companion for routine maintenance or professional wrenching.

8. Shockwave Mag Nut Driver Set (1/4″, 5/16″, 3/8″, 7/16″)

Experience precision and convenience with the Shockwave Mag Nut Driver Set, designed to tackle various fastening tasks effortlessly. Featuring four essential sizes, this set ensures compatibility with multiple lug nut dimensions for versatile use.

Each driver includes a magnetic tip that securely holds nuts in place, reducing slips and improving efficiency on every job. The color-coded bands make size identification quick, enhancing workflow and saving time during projects.

Crafted from durable steel, these nut drivers offer strength and reliability, suitable for demanding applications. The 1-7/8” length strikes a balance between control and reach, fitting most drill and impact driver chucks seamlessly. This set accommodates 1/4, 5/16, 3/8, and 7/16 lug nuts, making it ideal for automotive and general repair tasks.

Its powerful magnetic tips provide a secure grip, preventing nuts from falling during insertion or removal. The hex shank design ensures compatibility with various power tools, enabling quick bit changes and consistent performance. Users will appreciate the well-thought-out size options and sturdy build, perfect for both professionals and DIYers alike.

Users will appreciate the well-thought-out size options and sturdy build, perfect for both professionals and DIYers alike.

Easy to handle and carry, this compact set also offers excellent value with multiple sizes included in one package. The color-coded bands aid in quick selection, avoiding mix-ups during work sessions.

Overall, it excels in delivering functionality, durability, and ease of use where lug nut fastening is required.

Pros

  • Powerful magnetic tips for secure nut holding
  • Color-coded bands allow fast size identification
  • Durable steel construction ensures long-lasting performance

Cons

  • Limited length may restrict access in tight spaces

This nut driver set effectively combines durability with practical features, making it a solid addition to any toolbox. Compared to standard drivers lacking magnetic tips, this set significantly reduces nut handling issues and speeds up tasks.

For those needing reliable nut drivers for lug nuts or similar fasteners, this set offers a balanced blend of performance and ease of use.

Specification Details
Sizes Included 1/4″, 5/16″, 3/8″, 7/16″
Length per Piece 1-7/8”
Bit Tip Configuration Magnetic Tip
Drive End Style Hex Shank
Material Durable Steel
Compatible Tools Drill, Impact Driver, Nut Driver

With practical sizing and magnetic retention, these nut drivers make lug nut removal and installation more convenient. Their durable steel and hex shank compatibility assure usability with multiple tools, enhancing versatility. For those seeking an efficient and dependable set of nut drivers, this product delivers quality and usability that meets workshop and home needs effectively.

9. Locking Lug Nut Removal Tool-6 Pieces Deep Lug Nut Extractor

Removing stuck or damaged lug nuts can be a frustrating task without the right tool. The Locking Lug Nut Removal Tool-6 Pieces Deep Lug Nut Extractor offers a practical solution designed to handle such challenges with ease and reliability.

This set is crafted for mechanics, DIYers, and automotive professionals seeking a reliable extractor that works well with a variety of vehicles. Its thoughtful design aids in effectively removing wheel locks, damaged or stripped lug nuts quickly and cleanly.

The tool set features an extended 6-inch deep extractor, which reaches into recessed bolts where standard sockets fall short. This depth is especially helpful in tight, hard-to-access spaces common in modern vehicles.

Each extractor is forged from cold hardened CR-MO steel and coated with an anti-cracking alloy layer, guaranteeing strength and resistance to wear over time.

Laser markings on each piece improve quick identification during use and storage. The set includes common metric and SAE sizes—17 mm, 19 mm, 21 mm, and 22 mm—covering a wide range of vehicle needs. A knockout pin is included for added versatility and ease of use.

The dual drive system, featuring a 1/2-inch standard drive and a hex adapter, offers compatibility with various hand and power tools. This flexibility means you can use it with flat wrenches, pliers, adjustable wrenches, or impact drivers, adapting to the tools at hand. The unique reverse spiral groove design enhances torque application, efficiently gripping and removing damaged nuts without slipping.

The unique reverse spiral groove design enhances torque application, efficiently gripping and removing damaged nuts without slipping.

Beyond automotive repairs, this extractor set delivers value for home maintenance tasks involving stubborn fasteners. Its well-constructed build, ease of operation, and variety of included sizes make it a dependable choice for anyone tackling lug nut removal.

Pros

  • Extended 2.6-inch extractor reaches recessed and tight spaces efficiently
  • Durable cold forged CR-MO steel with anti-cracking coating for long-lasting use
  • Compatible with various hand and power tools using dual drive system

Cons

  • Limited size range may not cover all specialized lug nuts

The Locking Lug Nut Removal Tool set stands out as a reliable and robust choice for removing difficult lug nuts. Its solid construction and thoughtful design combine to save time and reduce frustration during wheel maintenance. While the size options cover most vehicles, users with uncommon lug nuts may require additional sizes.

While the size options cover most vehicles, users with uncommon lug nuts may require additional sizes. Overall, it offers excellent durability and versatility for automotive and household uses.

SpecificationDetails
Drive SystemHex
Tip ConfigurationReverse Spiral Groove
Drive Bit ApplicationAutomotive
Bit Set CompositionExtractor Sockets
Drive Bit Shank Style1/2-inch Drive
Extractor Length2.6 inches
MaterialCold Forged Hardened CR-MO Steel with Anti-Cracking Layer
Sizes Included17 mm (11/16″), 19 mm (3/4″), 21 mm (13/16″), 22 mm (7/8″)
Additional ToolKnockout Pin

In my experience, this lug nut removal set offers a well-balanced combination of toughness and usability. Its deep extractors reach places many similar kits cannot, making tricky jobs easier.

The quality materials used provide confidence in repeated use under demanding conditions. For anyone regularly dealing with lug nuts, investing in this set means fewer delays and a smoother workflow overall.

10. Klein Tools 32793 Pro Impact Driver Bit, 5/16-Inch Hex Nut

Experience precision and durability combined in a compact tool with the Klein Tools 32793 Pro Impact Driver Bit. Perfectly crafted to handle hex nuts, this bit streamlines your fastening tasks with reliable performance. Its robust design ensures every job is tackled efficiently and accurately.

Constructed from S2 Impact-Rated Steel, the bit offers exceptional strength and longevity. The longer length enables easy access in tight spaces like junction boxes and control panels. Color coding following ASME standards simplifies quick identification, helping you stay organized during work.

The hex pocket features minimal chamfering, which increases surface contact between the nut and the driver. This design reduces stripping and enhances grip on 5/16-inch hex nuts, making it ideal for demanding applications. The standard 1/4-inch hex shank fits most power impact drivers for versatile use across various tools.

The standard 1/4-inch hex shank fits most power impact drivers for versatile use across various tools.

Included are three 5/16-inch power nut drivers, providing convenience and readiness for multiple jobs. Klein Tools delivers consistent quality with bits that withstand prolonged impact and torque.

Compared to similar bits, this option stands out for its combination of toughness and user-friendly features. Its build quality ensures it performs well under heavy use, while the extended bit length improves accessibility.

Pros

  • High-strength S2 Impact-Rated Steel for heavy-duty use
  • Longer bit design for improved reach in confined spaces
  • Color-coded bits following ASME standards for easy identification

Cons

  • Limited to 5/16-inch hex nut applications, lacking multiple sizes in one pack

Klein Tools 32793 Pro Impact Driver Bit is an excellent choice for professionals who need durable and precise power bits. Its sturdy construction and thoughtful design guarantee effective performance in various settings.

The bit’s color-coding system and longer length improve usability, making it a smart addition to any toolbox.

Specification Details
Drive System Hex
Bit Shank Style Hex
Bit Size 5/16-Inch Hex Nut
Material S2 Impact-Rated Steel
Length Longer Pro Impact Power Bit
Compatibility Power Impact Drivers
Included Pieces 3 Power Nut Drivers (5/16 inch)

From my experience, this impact driver bit combines durability and ease of use in a practical size. It adapts well to various impact drivers and holds up under tough conditions.

While focusing on a single size may limit some users, the outstanding design and strength make it a dependable bit for anyone regularly working with 5/16-inch hex nuts.

11. SWANLAKE 20PCS Power Nut Driver Set for Impact Drill, 1/4”

Deliver reliable performance with the SWANLAKE 20PCS Power Nut Driver Set, designed for tough jobs requiring precision and durability. Whether you’re tackling automotive repairs or construction tasks, this set provides a comprehensive range of tools to handle various nut sizes effortlessly.

Its thoughtful design and high-quality materials set it apart from typical driver sets.

Each nut driver offers excellent corrosion resistance and hardness to withstand regular use. The compact storage case with carabiner clips keeps everything organized and easily accessible on the move.

For anyone needing a dependable and versatile set, this collection is an excellent addition to any toolkit.

Built from industrial-grade chromium vanadium steel, the 20-piece SWANLAKE Power Nut Driver Set delivers outstanding strength and long-term reliability. The black phosphate coating protects against rust and wear, making it ideal for diverse work environments. Heat treatment enhances hardness and torque resistance, ensuring the drivers perform well under demanding conditions.

The set includes ten metric sizes ranging from 4mm to 12mm and ten SAE sizes between 5/32 to 1/2, covering most nut sizes found in automotive and mechanical applications. Each driver features a hex shank designed to fit impact drills, boosting efficiency and compatibility for rapid work.

Portability is another highlight, with the compact case featuring a carabiner clip to attach easily to belts or bags. This makes it perfect for professionals moving between multiple sites. The balance of quality, size variety, and ease of use makes this set well-suited for both DIY enthusiasts and seasoned mechanics who require durability and versatility in one package.

The balance of quality, size variety, and ease of use makes this set well-suited for both DIY enthusiasts and seasoned mechanics who require durability and versatility in one package.

Pros

  • Durable chromium vanadium steel with corrosion-resistant phosphate coating
  • Wide range of sizes covering both metric and SAE measurements
  • Heat-treated for increased hardness and torque resistance

Cons

  • Smaller sizes might wear faster under heavy use

The SWANLAKE 20PCS Power Nut Driver Set makes a solid choice for users needing strong, versatile nut drivers compatible with impact drills. Its material quality and size variety lend well to diverse repair and construction jobs.

While some smaller bits may wear quicker in heavy-duty use, the overall package delivers dependable performance and convenient portability.

SpecificationDetails
MaterialChromium Vanadium Steel
CoatingBlack Phosphate
Bit SizesMetric: 4mm to 12mm; SAE: 5/32″ to 1/2″
Number of Pieces20
Drive SystemHex Drive
CompatibilityImpact Drill, Impact Nut Driver
StorageCompact case with carabiner clip
Heat TreatmentHigh-temperature quenching

In my experience, this set stands out for its value and toughness. The broad size range eliminates the need for multiple separate kits, streamlining your tool collection while ensuring readiness for varied tasks. Its solid build and clear size markings reduce downtime often caused by searching for the right driver.

For users prioritizing a reliable, portable nut driver set, this one offers excellent balance and performance compared with similar offerings in the market.

12. Wiha 70486 Magnetic Nut Setter Set, 6 Piece SAE, Color

Discover precision and durability with the Wiha 70486 Magnetic Nut Setter Set. Designed to simplify fastening tasks, this set offers a seamless experience with its high-visibility color coding and robust magnetic tips.

Perfectly tailored for handling lug nuts, it makes tool identification swift and secure.

Engineered for impact drivers, the Wiha set stands out by providing a secure fastener hold. Its compact but versatile range covers popular SAE sizes, making it an essential kit for any workshop or DIY enthusiast tackling automotive or industrial projects.

The Wiha 70486 includes six essential sizes: 1/4, 5/16, 3/8, 7/16, 1/2, and 9/16. Each is color-coded for quick size recognition, reducing downtime during busy jobs. The magnetic tip provides a firm grip on fasteners to prevent slipping and lost hardware.

Constructed with a drive system featuring precisely machined tips, this set minimizes cam-out, protecting both the tool and fastener from damage. Impact rating up to 700 in/lbs ensures excellent performance when paired with Li-ion impact drivers.

Its hex shank design supports both nut drivers and impact drivers, enhancing versatility across different applications. The build quality reflects industrial-grade standards, combining strength with user-friendly ergonomics. This set suits automotive technicians, mechanics, and DIY users needing reliable performance without frequent bit replacements.

Pros

  • High-visibility color coding speeds up size identification.
  • Industrial-strength magnetic tips secure fasteners firmly.
  • Impact-rated up to 700 in/lbs for heavy-duty use.

Cons

  • Limited to SAE sizes, not suitable for metric fasteners.

The Wiha 70486 Magnetic Nut Setter Set delivers dependable precision and durability at every use. Its thoughtful design features allow users to work efficiently and with greater confidence, especially when dealing with lug nuts. While the set focuses on SAE sizing, it meets the needs of many common tasks and outperforms competitors lacking magnetic retention or clear size markings.

While the set focuses on SAE sizing, it meets the needs of many common tasks and outperforms competitors lacking magnetic retention or clear size markings.

SpecificationDetails
Set Composition6 Piece Nut Setter Set
Sizes Included1/4″, 5/16″, 3/8″, 7/16″, 1/2″, 9/16″
Drive SystemNutsetter with Hex Shank
Bit Tip ConfigurationMagnetic Tip, Anti Cam-Out Tip
Drive Bit ApplicationIndustrial, Impact Driver Compatible
Impact RatingUp to 700 in/lbs
CompatibilityImpact Driver, Nut Driver
Color CodingHigh-Visibility for Each Size

From my experience, the Wiha 70486 set stands out because of its balance between function and durability. The magnetic tips noticeably reduce fumbling, saving valuable time during projects.

Although its SAE-only sizes limit versatility in some regions, this comprehensive kit serves well for automotive applications. Compared to other sets without color coding, it offers greater convenience during busy jobs. Overall, it’s a solid investment for professionals and hobbyists seeking reliable and efficient nut setters.

13. Coobeast 26Pcs Bolt Extractor Kit and Left Handed Drill Bit,

Handling stubborn nuts, bolts, and screws often requires a versatile and reliable toolkit. The Coobeast 26Pcs Bolt Extractor Kit and Left Handed Drill Bit set offers a complete solution for removing damaged fasteners effortlessly.

This kit includes everything needed for tackling a variety of mechanical and home repair challenges.

Designed to fit most common sizes and tools, this combination ensures maximum grip and torque when extracting damaged parts. With durable materials and precise engineering, maintenance becomes hassle-free and efficient.

The Coobeast kit features three types of extractors combined into one set to cover multiple scenarios. It contains 13 nut removers with a 3/8-inch hex adapter that works well with impact wrenches or ratchets, making removal of round or damaged nuts simple. Six high-speed steel left-handed drill bits with titanium coating increase hardness and reduce wear, allowing quicker and cleaner drilling.

Six high-speed steel left-handed drill bits with titanium coating increase hardness and reduce wear, allowing quicker and cleaner drilling.

Adding to its functionality are 13 multi-spline screw extractors and 6 spiral screw extractors. These spiraled flutes grip firmly as resistance grows, effortlessly spinning out embedded broken bolts and screws.

The robust Cr-Mo steel construction ensures durability for repeated use in demanding environments. Its ergonomic blow-molded case keeps everything organized and easy to transport between job sites or storage.

The set’s thoughtful design not only suits mechanical professionals but also homeowners tackling maintenance. Using left-handed drill bits with reverse action improves extractor performance, saving time and frustration.

Pros

  • Comprehensive 26-piece set covers various extractor and drill needs.
  • Durable HSS and Chrome-molybdenum steel construction.
  • Left-handed drill bits optimize reverse drilling for broken fasteners.

Cons

  • Some users may find smaller bits challenging to handle without steady hands.

The Coobeast Bolt Extractor Kit stands out as a dependable and versatile choice for removing damaged nuts and bolts. Its quality build and well-thought combination make it a useful addition for various maintenance tasks. Whether for professional workshops or household toolkits, it adds convenience and capability.

Whether for professional workshops or household toolkits, it adds convenience and capability.

SpecificationDetails
ManufacturerCoobeast
Part NumberCOQCQ1HS26
Item Weight2.7 pounds
Package Dimensions9.49 x 6.42 x 1.93 inches
Size26 PCS
ColorBlack
MaterialBolt Extractors & Screw Extractors: Chrome-molybdenum Steel; Drill Bits: High-Speed Steel (HSS) with titanium coating
Batteries IncludedNo
Batteries RequiredNo

Having experienced this kit, the combination of durability and variety instantly improves efficiency when dealing with stubborn fasteners. The left-handed drill bits are especially useful, as they enhance the extraction process when used with an impact wrench.

Compared to other extractor sets, Coobeast offers excellent value through its construction quality and comprehensive range of tools, making it a practical choice to keep on hand for any mechanical task.

14. HORUSDY 22-Piece Power Nut Driver Set for Impact Drill, SAE

Experience reliable performance with the HORUSDY 22-Piece Power Nut Driver Set designed for impact drills. Crafted from high hardness chrome vanadium steel, these driver bits handle tough tasks with ease and durability.

This set offers versatility for various applications, from automotive repairs to woodworking projects.

Whether you’re tightening lug nuts or assembling machinery, the SAE and metric sizes cover a wide range. Each bit features a universal 1/4 hex shank for easy swapping and a clearly marked head for quick identification. The sand blasting surface treatment and high-temperature quenching process enhance corrosion resistance and hardness, promising a long-lasting tool set.

The sand blasting surface treatment and high-temperature quenching process enhance corrosion resistance and hardness, promising a long-lasting tool set.

The HORUSDY 22-Piece Power Nut Driver Set includes 10 SAE and 10 metric sizes, offering extensive compatibility with different fasteners.

Its robust chrome vanadium steel construction withstands heavy use without wearing down prematurely. This makes it a dependable choice for everyday tasks around the house or professional use in automotive maintenance. The driver bits work seamlessly with various electric drills, screwdrivers, and impact drivers, providing solid grip and efficient torque transfer.

Users will appreciate the ergonomic design that facilitates quick bit changes, saving time during repetitive work. The compact and organized case keeps all pieces neatly stored and accessible. Ideal for DIY enthusiasts and mechanics alike, this kit balances durability and convenience at a practical level.

Ideal for DIY enthusiasts and mechanics alike, this kit balances durability and convenience at a practical level.

Pros

  • High hardness chrome vanadium steel ensures long-lasting durability
  • Wide size range with SAE and metric bits covers diverse applications
  • Universal 1/4″ hex shank fits most drills and drivers smoothly

Cons

  • Set lacks protective coating that might further prevent wear

The HORUSDY 22-Piece Power Nut Driver Set delivers practical functionality for users working with various fasteners, including lug nuts. Its sturdy construction and thoughtful design provide an efficient solution for both casual and professional projects. Consider this set as a reliable addition to your tool collection for consistent performance and ease of use.

SpecificationDetails
MaterialChrome Vanadium Steel
Set Composition10 SAE & 10 Metric Power Nut Driver Bits
Size Range (SAE)5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 7/16, 1/2 inch
Size Range (Metric)4mm, 5mm, 5.5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm
Drive End StyleHex Shank (1/4 inch)
Surface TreatmentAnti-Corrosion Sand Blasting
CompatibilityImpact Drills, Electric Drills, Screwdrivers

Having used several driver bit sets, the HORUSDY kit stands out for its balance between build quality and usability. The broad size selection reduces the need to buy extra bits frequently. While some sets include more premium coatings, this one offers solid durability at a reasonable tradeoff.

While some sets include more premium coatings, this one offers solid durability at a reasonable tradeoff. Overall, it’s a valuable kit for anyone needing an efficient and versatile driver bit set for lug nuts and various fastening tasks.

15. DEWALT Nut Driver Set, Impact Ready, Magnetic, 5-Piece (DW2235IR)

DEWALT’s Nut Driver Set (DW2235IR) delivers reliable performance for demanding tasks. Designed specifically to handle lug nuts and other fasteners, this set offers precision and durability. Its impact-ready build promises long-lasting use in tough environments.

Magnetic nut drivers make fastening quicker and more secure by holding nuts firmly in place. With a variety of sizes included, this set adapts to various fitting needs in a convenient package. Ideal for professionals and DIYers aiming for efficiency and dependability.

Crafted for compatibility with impact drivers and wrenches, this set supports fast and effective work on metal fittings. Recessed corners on each bit ensure the driver grips flats rather than edges, greatly reducing shavings and wear. The industrial-strength magnet enhances fastener retention, minimizing slips during use.

Each nut driver has an extra-strong magnetic tip to hold nuts firmly, boosting efficiency on the job. The solid hex shank fits securely into most impact drivers and wrenches for controlled torque application. Available sizes range from 1/4 inch to 1/2 inch, covering a broad spectrum of lug nut dimensions.

Available sizes range from 1/4 inch to 1/2 inch, covering a broad spectrum of lug nut dimensions.

The construction withstands heavy impact and frequent use while maintaining precision. Users appreciate the ease of swapping between sizes thanks to the set composition. Its streamline design supports quick fastening in tight or hard-to-reach spots, offering great versatility.

Well suited for mechanics, construction workers, and hobbyists demanding toughness coupled with ease of use. This set stands out for superior bit retention and minimized material damage.

Pros

  • Impact driver compatibility with secure hex shank design
  • Industrial-strength magnet for excellent nut retention
  • Recessed corners reduce fastener wear and shavings

Cons

  • Limited set size may require supplementary bits for uncommon sizes

Overall, the DEWALT Nut Driver Set offers dependable fastening solutions with thoughtfully engineered features. Its robust design and magnetic tips enhance both speed and accuracy for various projects. While the included sizes suit most needs, users working with specialty fasteners might want to add more options.

Compared with similar sets, its impact readiness and magnetic retention provide notable advantages.

SpecificationDetails
Drive SystemExternal Hex
Bit Tip ConfigurationMagnetic Tip
Bit Set Composition5-Piece Nut Drivers
Drive Bit Shank StyleHex
Bit Compatibilities1/4-Inch, 5/16-Inch, 3/8-Inch, 7/16-Inch, 1/2-Inch

Having used similar nut driver sets, I find DEWALT’s options balance strength and convenience effectively. The magnetic feature alone saves time by holding nuts in place during installation.

For anyone regularly working on lug nuts or similar fasteners, this set proves to be a practical and durable solution.

Top Drill Bits for Lug Nuts: A Buyer’s Guide

Performance and durability

Choosing the best drill bit for lug nuts involves understanding how heat resistance and wear quality affect its overall usefulness. Drill bits that maintain sharpness over time require less frequent replacement and provide consistent results when removing stubborn lug nuts. Materials engineered to handle high temperatures help prevent the bit from dulling quickly, especially during prolonged use on tough metal surfaces.

Materials engineered to handle high temperatures help prevent the bit from dulling quickly, especially during prolonged use on tough metal surfaces. Additionally, selecting a bit that does not excessively strain your drill motor or battery life allows for longer work sessions without overheating or draining power rapidly. A well-balanced combination of these features ensures smoother operation, making it easier to remove lug nuts efficiently while protecting both the tool and the vehicle components.

Material compatibility

Choosing the ideal drill bit for lug nuts involves understanding the variations in lug nut types and the materials they are made from, such as steel, chrome-plated steel, or aluminum. Drill bits crafted from high-speed steel or cobalt are well-suited for handling the toughness of most lug nuts, offering durability and resistance to wear when penetrating these metals. Considering the hardness of both the lug nut and the drill bit material plays a significant role in performance; a more robust bit can avoid dulling or breaking during use, which is especially important when dealing with stubborn or rusted nuts.

Considering the hardness of both the lug nut and the drill bit material plays a significant role in performance; a more robust bit can avoid dulling or breaking during use, which is especially important when dealing with stubborn or rusted nuts. Selecting a drill bit that balances toughness with precision will help in efficiently removing lug nuts without damaging surrounding components. Paying attention to these factors helps secure the right tool for your automotive or mechanical tasks, making the drilling process smoother and more reliable.

Compatibility with tools

When choosing the best drill bit for lug nuts, understanding compatibility with various tools enhances the overall efficiency of your work. These drill bits typically function well with different drill types including corded, cordless, and impact drills, allowing flexibility depending on your power source preference or availability.

Additionally, versatility increases when the drill bit can accommodate accessories and extensions, facilitating access to hard-to-reach lug nuts or improving leverage. Taking these aspects into account will help in finding a drill bit that not only fits seamlessly with your existing equipment but also supports a range of applications around the wheel lug nut removal and installation tasks.

Drill bit types and design

Finding the right drill bit for lug nuts means understanding how standard options differ from specialty ones designed specifically for tough materials and precision tasks. Specialty drill bits often feature reinforced tips or unique coatings that enhance durability and reduce wear when dealing with hardened metal like lug nuts. The design of the point plays a significant role in cutting efficiency, making it easier to create clean holes without slipping or causing damage.

The design of the point plays a significant role in cutting efficiency, making it easier to create clean holes without slipping or causing damage. Choosing a bit with a sharp, well-angled tip can speed up the process and yield better results. Since lug nuts come in various sizes, selecting a drill bit that matches the specific diameter needed is important to avoid stripping or poor fit.

This size compatibility not only helps in removing or modifying lug nuts effectively but also protects the surrounding area from accidental damage. Taking these factors into account helps in selecting a drill bit that balances toughness, precision, and appropriate sizing for seamless performance in automotive or mechanical projects involving lug nuts.

Safety features and precautions

Choosing the best drill bit for lug nuts requires attention to a few key features that enhance performance and protect your vehicle’s components. A design that offers an antislip and secure grip helps maintain steady contact with lug nuts, reducing the chance of the bit slipping during use and potentially damaging the wheel or bolts. Using a drill bit that fits snugly and is made of durable materials can prevent stripping the lug nuts, which is a common risk if the wrong bit is applied or excessive force is used.

Handling the tool with care, such as applying consistent pressure and avoiding rapid or jerky movements, further reduces wear on both the drill bit and lug nuts. Proper usage includes choosing the appropriate size and type of bit compatible with your drill, which helps achieve efficient loosening or tightening of lug nuts without causing harm to surrounding hardware.

Patience during the process and applying moderate speed settings extend the life of the bit and ensure the job is done smoothly, preserving the integrity of your wheels and hardware components throughout the task.

Price and warranty considerations

Selecting the right drill bit for lug nuts often involves comparing budget-friendly options with premium models, as each provides different benefits depending on your needs. While more affordable drill bits may suit occasional use or lighter tasks, premium versions typically offer enhanced durability and performance, making them a smart choice for frequent or demanding jobs.

Considering value for money and long-term investment means thinking about how often the drill bit will be used and whether it will withstand regular wear and tear, which can lead to fewer replacements and better overall satisfaction with the product.

Frquently Asked Questions

How Do You Choose The Right Size Drill Bit For Lug Nuts?

To choose the right size drill bit for lug nuts, start by identifying the lug nut size, which is typically measured by diameter. Use a caliper or measure the lug nut across its widest point to determine the correct diameter. The drill bit should be slightly smaller than the lug nut to ensure a snug fit without damaging the wheel or stud. Additionally, consider the drill bit material; high-speed steel or cobalt bits are suitable for drilling into hardened metal lug nuts. Always wear safety gear and proceed carefully to avoid stripping the lug nuts or causing damage.

What Is The Best Type Of Drill Bit For Removing Lug Nuts?

The best type of drill bit for removing lug nuts is an impact socket adapter or an impact-rated socket bit, rather than a traditional drill bit. These tools are designed to fit securely over lug nuts and withstand the high torque needed to loosen them without damaging the nuts or the tool. Using a standard drill bit can strip or damage lug nuts because they are not made to grip hex shapes under heavy pressure. An impact socket bit used with an impact driver or wrench provides the necessary strength and grip for safely and effectively removing lug nuts.

Can A Titanium Drill Bit Be Used To Remove Stubborn Lug Nuts?

A titanium drill bit is not ideal for removing stubborn lug nuts. While titanium drill bits are strong and durable for drilling into tough materials, lug nuts are typically made of hardened steel, which can quickly wear down or damage a titanium bit. Additionally, drilling into a lug nut is generally not the recommended method for removal, as it can damage the wheel or stud. Instead, using proper tools like a breaker bar, impact wrench, or penetrating oil is safer and more effective. These methods help loosen seized lug nuts without causing damage.

What Safety Precautions Should Be Taken When Using A Drill Bit On Lug Nuts?

When using a drill bit on lug nuts, safety is paramount to prevent injury and damage. Always wear protective gear, including safety goggles and gloves, to shield your eyes from metal shards and your hands from sharp edges. Ensure the vehicle is securely lifted and stable before beginning work to avoid accidents caused by shifting or falling. Additionally, use the correct drill bit size and type designed for metal to prevent slippage or breakage. Work at a controlled speed, applying steady pressure to avoid overheating the drill bit or damaging the lug nuts. Disconnect the power tool when changing bits or making adjustments to maintain safety.

Are Impact-Rated Drill Bits More Effective For Drilling Through Lug Nuts?

Impact-rated drill bits are generally more effective for drilling through lug nuts compared to standard drill bits. These bits are designed to withstand the high torque and hammering action delivered by impact drivers, making them more durable and less prone to breaking or dulling when working through tough materials like hardened steel. However, drilling through lug nuts can still be challenging due to their hardened composition. Using an impact-rated bit with proper technique and safety precautions will improve efficiency and reduce the risk of damaging your tools or vehicle.

Conclusion

Selecting the best drill bit for lug nuts involves balancing durability, precision, and compatibility with your tools. High-quality bits designed specifically for lug nuts offer the advantage of breaking through tough metals without excessive wear, while some may struggle with hardened alloys or frequent use.

They are especially suited for mechanics and DIYers who require reliable performance under challenging conditions. Potential buyers should consider the drill bit’s material, design, and user reviews to ensure it matches their needs. Although more specialized bits might come at a higher price, their efficiency and longevity often justify the investment.

Overall, the best drill bit for lug nuts provides a practical solution for removing stubborn fasteners, making it a worthwhile addition to any automotive toolkit.

Similar Posts

Leave a Reply

Your email address will not be published. Required fields are marked *