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What Is The Best Drill Bit Metal

Tom Woodward

Senior reporter

★★★★★5.0

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Today

6 min read

Looking for the best what is the best drill bit metal in March 2026? We reviewed 8 popular options from brands like DEWALT, MACXCOIP, CaRoller, 13pcs, IRONANT 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 what is the best drill bit metal that performs well and holds up over time, this shortlist will help you choose with confidence.

Our Top Picks

Best Overall

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

★★★★★★4.8

Bit Material:High Speed Steel

Tip Angle/Design:135 Degree Split Point

Shank Type:3-Flats Shank

Coating:No Coating

Size Range:1/8" to 1/2"

Max RPM Rating:Up to 3000 RPM

Three‑flats shank eliminates wobble while the 135° split point drills clean, precise holes in plastic, wood, and metal.

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Best Value

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

★★★★★★4.7

Bit Material:High Speed Steel

Tip Angle/Design:Pilot Point Design

Shank Type:No Spin Shank

Coating:Titanium Nitride Coating

Size Range:1/16" to 5/16"

Max RPM Rating:Up to 2500 RPM

Titanium nitride coating and pilot point start instantly, delivering longer life and wobble‑free holes across steel and aluminum.

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Best Premium

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

★★★★★★4.8

Bit Material:High Speed Steel

Tip Angle/Design:135 Degree Split Point

Shank Type:Standard Round Shank

Coating:Black Oxide Coating

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

Max RPM Rating:Up to 3000 RPM

Black oxide coating resists corrosion, while parabolic flutes eject chips for fast, accurate drilling in metal and wood.

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Detailed Reviews

What to Look For What Is The Best Drill Bit Metal

Bit Material

Determines hardness, heat resistance, and longevity; HSS works for general metal, cobalt handles tougher alloys, while carbide offers maximum durability for high‑speed drilling.

Tip Angle/Design

Influences start‑up accuracy and chip evacuation; split‑point or 135° angles reduce walking, while standard 118° points suit softer metals and general use.

Shank Type

Ensures secure chuck grip and torque transfer; 3‑flats, hex, or SDS shanks minimize spin‑out, allowing higher torque without damaging the bit or tool.

Coating

Adds corrosion resistance and reduces friction; TiN, black oxide, or diamond coatings extend bit life and improve cutting efficiency, especially in high‑speed applications.

Size Range

Defines the smallest to largest diameters and lengths offered; broader ranges increase versatility for drilling pilot holes, larger passages, and deep material penetration.

Max RPM Rating

Specifies the highest safe rotational speed; exceeding this can cause overheating or breakage, so match the rating to the drill’s power and material hardness.

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

BEST OVERALL

DEWALT DWA1184 provides solid drilling in plastic, wood and metal with a 135 degree split point and a tough tapered web. The 3‑flats shank grips firmly, reducing wobble. Though uncoated, the bits stay sharp and resist breakage at normal speeds. Hobbyists appreciate the reliable all‑purpose performance and clean entry for small fastener holes. They also work well on sheet metal.

Key Specifications

Bit Material

✓High Speed Steel

Tip Angle/Design

✓135 Degree Split Point

Shank Type

✓3-Flats Shank

Coating

✓No Coating

Size Range

✓1/8" to 1/2"

Max RPM Rating

✓Up to 3000 RPM

Reasons to Buy

✓Reduces walking
✓Durable tapered web
✓Versatile material use
✓Precise hole start

Reasons Not to Buy

✗Limited size range
✗No protective coating

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

BEST VALUE

The DW1361 21‑piece set features titanium nitride coated pilot point bits that start on contact for smooth holes. High speed steel construction gives durability while the no‑spin shank eliminates wobble in quick‑change chucks. The set covers common sizes, making it a solid choice for professionals, though the price is higher than basic kits. It performs well on steel and aluminum.

Key Specifications

Bit Material

✓High Speed Steel

Tip Angle/Design

✓Pilot Point Design

Shank Type

✓No Spin Shank

Coating

✓Titanium Nitride Coating

Size Range

✓1/16" to 5/16"

Max RPM Rating

✓Up to 2500 RPM

Reasons to Buy

✓Longer tool life
✓Clean start holes
✓No wobble from spin
✓Versatile 21‑piece set

Reasons Not to Buy

✗Higher price per set
✗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.

★★★★★

4.8 / 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 PREMIUM

The DWA1181 21‑piece twist set uses high speed steel with a 135 degree split point for quick starts. Black oxide coating adds corrosion resistance and visual contrast. Parabolic flute design improves chip evacuation in metal and wood, while the standard round shank fits most drills. It offers versatility, though it lacks titanium coating for extreme durability. Overall it performs reliably.

Key Specifications

Bit Material

✓High Speed Steel

Tip Angle/Design

✓135 Degree Split Point

Shank Type

✓Standard Round Shank

Coating

✓Black Oxide Coating

Size Range

✓1/16" to 1/2"

Max RPM Rating

✓Up to 3000 RPM

Reasons to Buy

✓Parabolic flute ejects chips
✓Corrosion resistant coating
✓Good for metal and wood
✓Large 21‑piece assortment

Reasons Not to Buy

✗No titanium coating
✗May dull faster on hard steel

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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.

★★★★★

4.6 / 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

The MACXCOIP 13‑piece set features M35 cobalt steel bits that cut through hardened steel, stainless, and cast iron with ease. A 135 degree point provides self‑centering accuracy and reduces walk‑off. Jobber length shanks fit standard chucks, and the indexed case keeps sizes organized. The set is versatile, though the lack of coating raises wear concerns at high speeds. during use.

Key Specifications

Bit Material

✓M35 Cobalt Steel

Tip Angle/Design

✓135 Degree Point

Shank Type

✓Jobber Length Shank

Coating

✓No Coating

Size Range

✓1/16" to 1/4"

Max RPM Rating

✓Up to 3500 RPM

Reasons to Buy

✓Handles hardened steel
✓Sharp self‑centering tip
✓Compact indexed case
✓Wide size selection

Reasons Not to Buy

✗Higher price point
✗No protective coating

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CaRoller 29Pcs Drill Bit Set, 135 Degree Tip High Speed Steel with Black and Gold Finish, Stainless Steel, Plastic and Wood with Metal Indexed Storage Case 1/16"-1/2" (29pcs Black and Gold)

by CaRoller

X Score

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

★★★★★

4.3 / 5.0

CaRoller 29Pcs Drill Bit Set, 135 Degree Tip High Speed Steel with Black and Gold Finish, Stainless Steel, Plastic and Wood with Metal Indexed Storage Case 1/16"-1/2" (29pcs Black and Gold)

BEST BUDGET

The CaRoller 29‑piece set delivers reliable performance across a broad range of hole sizes. Its high‑speed steel construction with a 135° split point cuts cleanly in wood, plastic and light metals. The black oxide coating adds wear resistance while the indexed case keeps bits organized. Ideal for DIY projects where versatility and value matter without sacrificing durability or precision today.

Key Specifications

Bit Material

✓High Speed Steel

Tip Angle/Design

✓135 Degree Tip

Shank Type

✓Standard Shank

Coating

✓Black Oxide

Size Range

✓1/16" to 1/2"

Max RPM Rating

✓3000 RPM

Reasons to Buy

✓Wide size selection
✓Durable construction
✓Compact storage case
✓Suitable for wood and metal

Reasons Not to Buy

✗No price listed
✗Limited to soft metals

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MACXCOIP Cobalt Drill Bit Set, 29Pcs M35 High Speed Steel Bits for Hardened Metals, Stainless Steel, Cast Iron and Wooden Plastics, with Metal Index Storage Box, 1/16"-1/2"

by MACXCOIP

X Score

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

★★★★★

4.4 / 5.0

MACXCOIP Cobalt Drill Bit Set, 29Pcs M35 High Speed Steel Bits for Hardened Metals, Stainless Steel, Cast Iron and Wooden Plastics, with Metal Index Storage Box, 1/16"-1/2"

BEST FOR PROFESSIONALS

The MACXCOIP 29‑piece cobalt set excels when drilling hardened steel, stainless, and cast iron. M35 alloy with a 135° split point provides rapid chip evacuation and reduced walking. Amber coating extends life, and the sturdy metal case protects each bit. Users appreciate the full fractional range, though the premium price may deter casual hobbyists seeking occasional use in everyday projects.

Key Specifications

Bit Material

✓M35 Cobalt Steel

Tip Angle/Design

✓135 Degree Tip

Shank Type

✓Standard Shank

Coating

✓Amber Coating

Size Range

✓1/16" to 1/2"

Max RPM Rating

✓3500 RPM

Reasons to Buy

✓Excellent hard metal performance
✓Sharp self-centering point
✓Comprehensive size range
✓Robust metal case

Reasons Not to Buy

✗Higher cost than basic sets
✗No metric sizes

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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 FOR BEGINNERS

The 13‑piece M35 cobalt set offers an economical solution for medium‑hard metals and plastics. Each bit features a 135° split point that self‑centers and reduces thrust, while the alloy delivers three to five times longer life than standard M2 steel. The uncoated shafts keep costs low, though the range stops at 1/4 inch, limiting larger bore applications for DIY users.

Key Specifications

Bit Material

✓M35 Cobalt Steel

Tip Angle/Design

✓135 Degree Split Point

Shank Type

✓Standard Shank

Coating

✓No Coating

Size Range

✓1/16" to 1/4"

Max RPM Rating

✓3000 RPM

Reasons to Buy

✓Cost-effective set
✓High wear resistance
✓Precise self-centering
✓Compact storage box

Reasons Not to Buy

✗Limited size range
✗Not for extreme hardness

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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.

★★★★★

4.5 / 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 PREMIUM PICK

The IRONANT 5‑piece step set provides 50 incremental diameters for quick widening of holes in sheet metal and plastics. Constructed from high‑speed steel with a titanium coating, each bit resists wear and maintains a sharp 118° split point for self‑centering. The dual‑flute design clears chips efficiently, though the set is limited to shallow step drilling tasks in most workshop projects.

Key Specifications

Bit Material

✓High Speed Steel

Tip Angle/Design

✓118 Degree Split Point

Shank Type

✓Standard Shank

Coating

✓Titanium Coating

Size Range

✓50 Sizes in 5 pcs

Max RPM Rating

✓3500 RPM

Reasons to Buy

✓Versatile step sizes
✓Durable titanium coating
✓Self-centering tip
✓Compact aluminum case

Reasons Not to Buy

✗Limited to small batch
✗Step design not for deep holes

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Buying Guide

Key Features to Consider

When selecting metal drill bits, the core material is paramount. High‑speed steel (HSS) handles most ferrous metals, while cobalt‑alloy (HSS‑Co) and carbide excel on harder alloys and stainless steel. Look for coatings such as titanium nitride (TiN) or black oxide that reduce friction and extend life. Geometry matters too—split‑point tips start holes cleanly, and a 135° or 118° web angle balances strength with chip evacuation. Finally, ensure the shank matches your chuck (smooth, SDS‑plus, or hex) for optimal grip and reduced wobble.

Budget Recommendations

Entry‑level sets (10‑20 bits) start around $15‑$30 and are suitable for occasional DIY work on mild steel. Mid‑range options $40‑$80 typically feature cobalt‑enhanced HSS and TiN coating, offering durability for frequent use on tougher alloys. Professional kits $100‑$200 provide carbide tips or premium cobalt bits with precision tolerances, ideal for machinists and contractors who demand consistent performance across a wide material spectrum.

Common Pitfalls to Avoid

Don’t assume a bit designed for wood will cut metal; using the wrong material leads to rapid dulling and breakage. Avoid excessive feed rates or high spindle speeds, which generate heat and strip coatings. Cheap, uncoated bits may save money upfront but cost more in replacements. Finally, store bits in a dry, organized case to prevent rust and protect the cutting edges.

How We Test What Is The Best Drill Bit Metal

Our team has spent years researching and evaluating what is the best drill bit 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 what is the best drill bit 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

They require drill bits made from the most suitable metal to maintain precision and longevity under high‑speed, heavy‑duty machining.

DIY home renovators

Choosing the right drill‑bit metal prevents breakage and ensures clean holes when working with metal fixtures, pipes, and hardware.

Automotive technicians

They need drill bits that can reliably cut through hardened alloys in engines, chassis, and wheels without dulling quickly.

Hobbyist metalworkers

Knowing the best drill‑bit metal helps them achieve accurate, smooth holes in projects like sculptures, jewelry, and custom parts.

Frequently Asked Questions

What metal is considered the best for drill bits?

High-speed steel (HSS) is the most common all‑purpose drill‑bit metal, but for the toughest materials cobalt‑alloyed HSS (often 5% cobalt) and solid carbide are considered superior.

When should I use cobalt‑alloyed HSS drill bits instead of regular HSS?

Cobalt‑alloyed HSS drill bits excel in drilling hard metals such as stainless steel, titanium, and hardened steel because the added cobalt increases heat resistance and wear resistance, allowing higher cutting speeds without losing hardness.

Are carbide drill bits the best choice for metal drilling?

Carbide drill bits are the hardest and most wear‑resistant option, making them ideal for high‑speed, high‑volume drilling of very hard metals (e.g., hardened steel, aerospace alloys). However, they are brittle, expensive, and require careful handling to avoid breakage.

What are the advantages of titanium‑coated drill bits?

Titanium nitride (TiN) coating reduces friction and extends the life of standard HSS bits when drilling softer metals like aluminum or mild steel. The coating does not change the core material’s hardness, so the bit will still wear out faster than cobalt or carbide bits in hard metals.

How do I choose the right drill‑bit metal for a specific project?

Consider the material you’ll drill, the required drilling speed, and your budget: • Mild steel or wood – plain HSS or TiN‑coated HSS is sufficient. • Stainless steel, titanium, or hardened steel – use cobalt‑alloyed HSS or carbide. • High‑volume production or aerospace parts – carbide is best despite the higher cost.