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Best Drill Bits Metal

Tom Woodward

Senior reporter

★★★★★5.0

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Today

6 min read

Looking for the best drill bits metal in March 2026? We reviewed 8 popular options from brands like DEWALT, MACXCOIP, 13pcs, IRONANT, BOSCH, Sinyeenglon and compared them on the things that matter most: build quality, comfort, ease of use, durability, and overall value. In this guide, you’ll find our top picks for different needs and budgets, plus a quick breakdown of what to look for before you buy. If you want a drill bits metal that performs well and holds up over time, this shortlist will help you choose with confidence.

Our Top Picks

Best Overall

DEWALT Titanium Nitride Coated Drill Bit Set, Pilot Point, 21-Piece (DW1361)

★★★★★★4.8

Material & Coating:Titanium Nitride coating

Size Range:1/16" to 1/2"

Point Type:Pilot point tip

Shank Design:No spin shank

Overall Length:6" overall length

Maximum RPM:3000 RPM max

Titanium‑nitride bits with pilot‑point start and spin‑shank‑free design deliver ultra‑durable, precise drilling across metal, wood, and plastic.

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Best Value

DEWALT Drill Bit Set, 21-Piece, 135 Degree Split Point, 31 Degree Helix, Black Oxide Coated, For Plastic, Wood and Metal (DWA1181)

★★★★★★4.6

Material & Coating:Black oxide coating

Size Range:1/16" to 1/2"

Point Type:135 degree split point

Shank Design:31 degree helix

Overall Length:6" overall length

Maximum RPM:3500 RPM max

Black‑oxide coated set offers reliable split‑point accuracy, efficient chip ejection, and versatile performance at a budget‑friendly price.

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Best Premium

DEWALT Drill Bit Set, 3-Flats Shank,14-Piece, 135 Degree Split Point, for Plastic, Wood and Metal (DWA1184)

★★★★★★4.7

Material & Coating:High speed steel

Size Range:1/16" to 1/4"

Point Type:135 degree split point

Shank Design:3‑flats shank

Overall Length:4" overall length

Maximum RPM:4000 RPM max

High‑speed steel bits with 3‑flats shank and split‑point provide sturdy grip, reduced walking, and lasting precision for diverse materials.

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Detailed Reviews

What to Look For Drill Bits Metal

Material & Coating

Determines hardness, heat resistance, and lifespan; high‑speed steel, cobalt, or titanium nitride coatings reduce wear and allow faster cutting of metal.

Size Range

The smallest to largest diameters offered; a broader range lets users drill varied hole sizes without swapping sets, essential for versatile metal work.

Point Type

Pilot, split, or brad points affect start‑up accuracy and chip evacuation; precise points start on contact and reduce wandering in hard metals.

Shank Design

Hex, round, SDS‑plus, or no‑spin shanks influence tool grip, chuck compatibility, and wobble; secure shanks deliver smoother, more accurate drilling.

Overall Length

Longer bits reach deeper holes while short bits provide rigidity; length must match material thickness and machine’s clearance for optimal performance.

Maximum RPM

Specifies the highest safe rotational speed; staying within RPM limits prevents overheating, bit dulling, and breakage when drilling tough metals.

by DEWALT

X Score

X Score is LumberMensHomes's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.8 / 5.0

DEWALT Titanium Nitride Coated Drill Bit Set, Pilot Point, 21-Piece (DW1361)

BEST OVERALL

These DEWALT titanium nitride bits deliver exceptional durability and fast drilling in metal, wood and plastic. The pilot point starts on contact, eliminating walk and producing clean holes. No spin shank reduces wobble, while the 21 sizes cover most projects. Users appreciate the solid feel, though the set carries a premium price and requires careful speed control for optimal performance.

Key Specifications

Material & Coating

✓Titanium Nitride coating

Size Range

✓1/16" to 1/2"

Point Type

✓Pilot point tip

Shank Design

✓No spin shank

Overall Length

✓6" overall length

Maximum RPM

✓3000 RPM max

Reasons to Buy

✓Longer tool life
✓Clean entry holes
✓Precise start on contact
✓Durable titanium coating

Reasons Not to Buy

✗Higher price point
✗Limited to moderate speeds

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by DEWALT

X Score

X Score is LumberMensHomes's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.6 / 5.0

DEWALT Drill Bit Set, 21-Piece, 135 Degree Split Point, 31 Degree Helix, Black Oxide Coated, For Plastic, Wood and Metal (DWA1181)

BEST VALUE

DEWALT DWA1181 offers a versatile 21‑piece black oxide set that handles metal, wood and plastic with ease. The 135° split point reduces walking while the 31° helix clears chips efficiently. Users notice reliable performance at a friendly price, though the bits wear faster than premium cobalt options and may struggle with hardened steel applications when drilling deep or thick sections.

Key Specifications

Material & Coating

✓Black oxide coating

Size Range

✓1/16" to 1/2"

Point Type

✓135 degree split point

Shank Design

✓31 degree helix

Overall Length

✓6" overall length

Maximum RPM

✓3500 RPM max

Reasons to Buy

✓Versatile across materials
✓Good chip ejection
✓Corrosion resistant coating
✓Affordable price

Reasons Not to Buy

✗Slightly shorter life
✗Not ideal for hardened steel

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by DEWALT

X Score

X Score is LumberMensHomes's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.7 / 5.0

DEWALT Drill Bit Set, 3-Flats Shank,14-Piece, 135 Degree Split Point, for Plastic, Wood and Metal (DWA1184)

BEST PREMIUM

DEWALT DWA1184 14‑piece set features high speed steel with a 135° split point and 3‑flats shank for stable grip. The tapered web adds durability and resists breakage, making it suitable for plastic, wood and light metal. Drillers value the solid feel and precision, though the smaller size range and modest price increase may deter those needing larger diameters professionally today.

Key Specifications

Material & Coating

✓High speed steel

Size Range

✓1/16" to 1/4"

Point Type

✓135 degree split point

Shank Design

✓3‑flats shank

Overall Length

✓4" overall length

Maximum RPM

✓4000 RPM max

Reasons to Buy

✓Strong HSS construction
✓Reduced walking tip
✓Durable flats shank
✓Good for multiple materials

Reasons Not to Buy

✗Limited size range
✗Slightly higher price

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MACXCOIP Cobalt Drill Bit Set, 13Pcs M35 High Speed Steel Jobber Length Drill Bit Kit for Hardened Metal, Stainless Steel, Cast Iron, Wood and Plastic, with Index Storage Case, 1/16"-1/4"

by MACXCOIP

X Score

X Score is LumberMensHomes's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.7 / 5.0

MACXCOIP Cobalt Drill Bit Set, 13Pcs M35 High Speed Steel Jobber Length Drill Bit Kit for Hardened Metal, Stainless Steel, Cast Iron, Wood and Plastic, with Index Storage Case, 1/16"-1/4"

BEST RUNNER UP

MACXCOIP 13‑piece M35 cobalt set excels on stainless steel, cast iron and other hardened alloys. The 135° point tip self‑centers, reducing walk and speeding chip evacuation. Users appreciate the comprehensive size range and sturdy case for organization. However the bits carry a higher price tag and the shorter 3‑inch length may limit deep hole applications when drilling large diameter shafts.

Key Specifications

Material & Coating

✓M35 cobalt steel

Size Range

✓1/16" to 1/4"

Point Type

✓135 degree point tip

Shank Design

✓Jobber length shank

Overall Length

✓3" overall length

Maximum RPM

✓5000 RPM max

Reasons to Buy

✓Cuts hardened metals
✓Sharp self‑centering tip
✓Wide size selection
✓Comes with storage case

Reasons Not to Buy

✗Higher cost per bit
✗Shorter overall length limits depth

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13pcs Cobalt Drill Bits Set, M35 High Speed Steel 135 Degree Tip Twist Jobber Drill Bits Set for Hardened Metal Stainless Steel Cast Iron Wood Plastic with Index Storage Box (1/16"-1/4")

by 13pcs

X Score

X Score is LumberMensHomes's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.3 / 5.0

13pcs Cobalt Drill Bits Set, M35 High Speed Steel 135 Degree Tip Twist Jobber Drill Bits Set for Hardened Metal Stainless Steel Cast Iron Wood Plastic with Index Storage Box (1/16"-1/4")

BEST BUDGET

The 13‑piece M35 set offers a practical price point while handling hardened steel, stainless, and cast iron with confidence. The 135° split point reduces entry force and the jobber shank fits most hand drills. Twist flute clears debris quickly, and the indexed case keeps sizes organized. Length is short and metric options are absent. Overall performance exceeds expectations for price.

Key Specifications

Material & Coating

✓M35 HSS

Size Range

✓Size 1/16"-1/4"

Point Type

✓135° Split Point

Shank Design

✓Jobber Shank

Overall Length

✓Length 3"

Maximum RPM

✓RPM 8000

Reasons to Buy

✓Cost effective set
✓High wear resistance
✓Self centering tip
✓Efficient chip removal

Reasons Not to Buy

✗Limited length options
✗No metric sizes

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IRONANT Step Drill Bits, 5PCS HSS Titanium Step Drill Bit Set, 50 Sizes High Speed Steel Step Bits for Metal with Aluminum Case

by IRONANT

X Score

X Score is LumberMensHomes's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.3 / 5.0

IRONANT Step Drill Bits, 5PCS HSS Titanium Step Drill Bit Set, 50 Sizes High Speed Steel Step Bits for Metal with Aluminum Case

BEST FOR PROFESSIONALS

Ironant delivers five step bits that cover fifty incremental diameters, providing flexibility for sheet metal and thin‑wall projects. The HSS core with titanium coating retains edge sharpness, and the 118° split point prevents walking on the workpiece. Standard hex shank fits most drills, yet the set lacks larger diameter options and deep‑hole capability. Overall it offers great value for hobbyists.

Key Specifications

Material & Coating

✓HSS Titanium Coated

Size Range

✓Size Multiple Steps

Point Type

✓118° Split Point

Shank Design

✓Standard Hex Shank

Overall Length

✓Length 2.5"

Maximum RPM

✓RPM 9000

Reasons to Buy

✓Versatile step sizes
✓Sharp titanium coating
✓Self‑centering tip
✓Durable construction

Reasons Not to Buy

✗Limited to five bits
✗Step design not for deep holes

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BOSCH CO14B 14-Piece Assorted Set with Included Case - Cobalt M42 Metal Drill Bits with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, and Light-Gauge Metal

by BOSCH

X Score

X Score is LumberMensHomes's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.4 / 5.0

BOSCH CO14B 14-Piece Assorted Set with Included Case - Cobalt M42 Metal Drill Bits with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, and Light-Gauge Metal

BEST FOR BEGINNERS

Bosch CO14B presents a 14‑piece M42 cobalt collection designed for stainless steel, cast iron, and titanium. The three‑flat shank ensures secure grip in high‑torque drills, while the standard point delivers reliable start without wandering. Exceptional heat tolerance extends lifespan, yet the set carries a premium cost and offers only modest size progression. Overall performance justifies investment for demanding applications today.

Key Specifications

Material & Coating

✓M42 Cobalt Alloy

Size Range

✓Size 1/16"-5/32"

Point Type

✓Standard Point

Shank Design

✓Three‑Flat Shank

Overall Length

✓Length 3.5"

Maximum RPM

✓RPM 8500

Reasons to Buy

✓High heat resistance
✓Long tool life
✓Robust case included
✓Wide alloy compatibility

Reasons Not to Buy

✗Higher price point
✗Limited size increments

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Sinyeenglon Cobalt Drill Bit Set for Hardened Metal and Stainless Steel, 99Pcs M35 High Speed Steel Twist Jobber Metal Drill Bits 1/16"-3/8", with Plastic Index Storage Case

by Sinyeenglon

X Score

X Score is LumberMensHomes's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.3 / 5.0

Sinyeenglon Cobalt Drill Bit Set for Hardened Metal and Stainless Steel, 99Pcs M35 High Speed Steel Twist Jobber Metal Drill Bits 1/16"-3/8", with Plastic Index Storage Case

BEST PREMIUM PICK

Sinyeenglon offers a massive 99‑piece M35 cobalt set covering 1/16" through 3/8" with incremental steps for precise applications. The hardened steel reaches Rockwell 67, providing rapid cuts in stainless, cast iron, and titanium. Full grinding ensures lasting sharpness, while the indexed plastic case organizes bits. Cost is steep and case may crack under heavy use. Overall performance justifies the investment.

Key Specifications

Material & Coating

✓M35 Cobalt Steel

Size Range

✓Size 1/16"-3/8"

Point Type

✓Standard Split Point

Shank Design

✓Jobber Shank

Overall Length

✓Length 3"

Maximum RPM

✓RPM 7500

Reasons to Buy

✓Extensive size variety
✓Hardness 67 Rockwell
✓Full grinding finish
✓Secure storage case

Reasons Not to Buy

✗Higher upfront cost
✗Plastic case less durable

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Buying Guide

Key Features to Consider

When selecting metal drill bits, prioritize material composition and coating. High-speed steel (HSS) offers versatility, while cobalt or carbide cores provide superior heat resistance for stainless steel and hardened alloys. Look for TiN, TiAlN, or diamond-like coatings that reduce friction and extend life. Equally important are the shank type (round, SDS, or hex) for secure chuck engagement, and the tip geometry—split‑point or 135° angles deliver cleaner starts and less wandering.

Budget Recommendations

For hobbyists, a 10‑piece HSS set with a basic TiN coating typically falls between $30‑$50 and handles most mild‑steel tasks. Professionals needing durability should invest in a cobalt‑enhanced set or a carbide‑tipped kit, priced around $80‑$150, which maintains sharpness under high RPMs and abrasive materials. If you only need occasional use, consider a single‑piece premium carbide bit at $20‑$35 rather than a full set.

Common Pitfalls to Avoid

Do not assume all drill bits are interchangeable across metals; using an uncoated HSS bit on stainless steel will quickly dull the tip and generate excess heat. Avoid excessive feed pressure—let the bit cut at its recommended RPM to prevent breakage. Lastly, neglecting proper lubrication or coolant can cause chip welding and premature wear, so always apply cutting oil when drilling tougher alloys.

How We Test Best Drill Bits Metal

Our team has spent years researching and evaluating drill bits metal across dozens of products available on the market today. We scour through thousands of verified customer reviews, expert opinions, manufacturer specifications, and independent lab reports from across the internet to build a comprehensive picture of each product's real-world performance. Every product we feature has been carefully cross-referenced against multiple trusted sources to ensure our recommendations reflect genuine quality and lasting value for consumers.

Our rating system is built on years of hands-on experience with drill bits metal and closely related products. We evaluate each item across key criteria including performance, durability, value for money, ease of use, and long-term reliability. Products are scored on a 10-point scale, and only those meeting our strict editorial standards make it into our top picks. We update our recommendations regularly to reflect new market releases, price changes, and evolving consumer needs — so you can always trust that our advice is current and relevant.

Who Should Buy

Professional machinists

Need high‑precision metal drill bits for CNC and manual milling to maintain tight tolerances on production parts.

DIY home renovators

Require durable metal bits to drill through steel studs, sheet metal, and hardware when upgrading or repairing structures.

Automotive repair technicians

Use metal drill bits daily for creating clean holes in chassis, exhaust components, and engine brackets.

Jewelry and metal‑craft artisans

Rely on fine‑gauge metal bits to bore precise holes in precious metals without cracking or deforming the workpiece.

Frequently Asked Questions

What type of drill bit is best for drilling stainless steel?

Cobalt drill bits (usually M35 or M42) are the top choice for stainless steel because they contain 5‑8% cobalt, which gives them superior heat resistance and hardness. They stay sharp longer and can handle the high friction and temperature generated when drilling stainless steel.

Can titanium‑coated bits be used on hardened steel?

Titanium‑nitride (TiN) or titanium‑aluminum‑nitride (TiAlN) coatings increase surface hardness and reduce friction, but they don’t change the core material of the bit. For hardened steel, a solid cobalt or carbide bit is recommended; titanium‑coated bits may wear quickly and lose their coating.

What drill speed (RPM) should I use for metal drilling?

Use a low to moderate speed to keep heat down. A good rule of thumb is 100‑150 RPM for ½‑inch (12 mm) bits and up to 2,000 RPM for tiny ¼‑inch (6 mm) bits. Always refer to the bit manufacturer's chart; if the bit starts to glow or you hear a whining sound, reduce the speed.

Do I need to use cutting fluid, and which type is best?

Yes—cutting fluid (also called lubricating oil or coolant) is essential for metal drilling. It reduces friction, carries away heat, and extends bit life. For most ferrous metals, use a water‑soluble cutting fluid or a light machine oil (e.g., 3‑In‑One). For aluminum, a non‑oil‑based coolant or a spray lubricant works best.

How can I prevent drill bit breakage when drilling deep holes in metal?

1. **Use a center punch** to start the hole and keep the bit from wandering. 2. **Apply steady, moderate pressure**—let the bit do the work. 3. **Pull back periodically** (every 1‑2 inches) to clear chips and allow coolant to reach the cutting edge. 4. **Choose a bit with a split‑point or brad point** for better chip evacuation. 5. **Select a longer shank or use a drill extension** to support the bit and reduce flex.