Top 10 Best Drill Bits For Knife Making You Need Now

The best drill bits for knife making are essential tools that drive precision and reliability in every step of blade crafting. Selecting the appropriate drill bits involves understanding the complexities of materials like hardened steel, wood handles, and composite scales, which all require specialized cutting technology. Innovations in drill bit coatings, cutting edge designs, and shank stability have transformed how knife makers approach hole drilling for pins and fasteners.

High-performance bits tailored for knife making also address common challenges such as heat resistance and wear endurance, which are crucial for maintaining the integrity of each project. Whether working with stainless steel blades or delicate handle materials, choosing the right drill bits can significantly impact both efficiency and the quality of the finished knife.

Continue exploring to uncover which drill bits stand out in this specialized category and why they matter for your next knife-making venture.

Best Drill Bits for Knife Making: Top Picks for 2026

Image	Product	Buy
Top Picks- 1	(20PCS) 1/8″ Cobalt Drill Bit, HSS M35 Metal Drill Bits Best for: Durable metal drilling	Check Price On Amazon
Top Picks- 2	Crosstar M35 Cobalt Drill Bit Set,Three-Flute Design,1/16″-1/2″,21pcs Best for: Precision multi-size set	Check Price On Amazon
Top Picks- 3	DEWALT Drill Bit Set, 3-Flats Shank,14-Piece, 135 Degree Split Point, Best for: Professional woodworking	Check Price On Amazon
Top Picks- 4	8 Pack Titanium Coated HSS Twist Drill Bits, 3-10mm Serrated Best for: Versatile titanium coating	Check Price On Amazon
Top Picks- 5	COMOWARE Titanium Twist Drill Bit Set 16 Pcs, 1/16″-1/4, Hex Best for: Hex shank convenience	Check Price On Amazon

1. (20PCS) 1/8″ Cobalt Drill Bit, HSS M35 Metal Drill Bits

Best for: Ideal for drilling hardened metals.

A set of twenty 1/8-inch drill bits crafted from M35 cobalt high-speed steel containing 5% cobalt enables efficient drilling into hardened metals without bit wear. Their 135-degree split-point tip offers enhanced centering, reducing walking on tough surfaces, perfect for precise hole-making in knife handles or metal blades.

Each of the 20 cobalt bits measures exactly 3.175mm in diameter, providing consistency across multiple uses. Packed in a plastic storage case, they allow easy organization and transport. The M35 grade steel ensures durability for working with stainless steel, cast iron, and other tough alloys common in knife materials.

Pros

• M35 cobalt steel for hardness and heat resistance
• 135-degree split-point for self-centering
• 20 pieces provide ample drill bit variety
• Includes protective plastic storage case

Cons

• Limited to a single drill size of 1/8 inch reduces versatility

Knife makers working extensively with hardened metals who need consistent 1/8-inch holes will find this cobalt drill bit set reliable. Its material toughness and precision make it suited to long sessions of metal and handle drilling.

2. Crosstar M35 Cobalt Drill Bit Set,Three-Flute Design,1/16″-1/2″,21pcs

Best for: Engineered for toughest hardened metals.

Featuring 21 drill bits forged from premium M35 cobalt high-speed steel with 5% cobalt, this set tackles stainless steel, titanium alloys, and hardened cast iron up to 60 HRC. The nano TiAlN coating endows extreme heat resistance, letting knife makers drill at higher speeds without losing bit life to heat degradation.

Sizes range broadly from 1/16 inch to 1/2 inch, covering many precise hole diameter requirements. The titanium aluminum nitride coating sustains cutting temperatures near 1472°F (800°C), allowing longer continuous use. The included index case simplifies size selection and storage between projects.

Pros

• M35 cobalt steel withstands 60 HRC materials
• TiAlN nanocoating for high heat tolerance
• Wide bit size range from 1/16″ to 1/2″
• Index storage case organizes all 21 bits

Cons

• Three-flute design may clear chips slower than two-flute bits

For knife makers tackling a variety of hardened metals, this 21-piece M35 cobalt set offers versatility, durability, and heat resistance. Its expansive size selection suits both intricate handle work and tougher blade drilling.

3. DEWALT Drill Bit Set, 3-Flats Shank,14-Piece, 135 Degree Split Point,

Best for: Great for multi-material drilling.

The 14-piece DEWALT drill bit set includes black oxide-coated bits built with high-speed steel and a 135-degree split point to reduce walking. These bits excel for plastic, wood, and metal, making them flexible for knife makers who craft composite handles or perform multi-surface work.

Each bit features a 3-flats shank on sizes larger than 3/16 inch, minimizing spin-out and ensuring a firm chuck grip during use. The included tapered web design improves durability and breakage prevention. Size markings on the shank help expedite tool changes without confusion.

Pros

• Black oxide coating prevents rust and wear
• 3-flats shank reduces chuck slipping
• 135-degree split-point minimizes walking
• Tapered web design adds strength

Cons

• Smaller set size may limit range for very detailed knife projects

Ideal for knife creators who work across wood, plastic, and metal, this DEWALT set provides reliable, anti-corrosive tools with a durable design. Its multi-purpose functionality suits prototype builds and mixed-material knives.

4. 8 Pack Titanium Coated HSS Twist Drill Bits, 3-10mm Serrated

Best for: Fits most electric drills with common sizes.

Covering eight popular sizes from 3mm to 10mm, these titanium-coated HSS twist drill bits are designed with hexagonal shanks for secure compatibility in most electric drills. Their titanium finish extends sharpness, enabling knife makers to drill precise holes in handle scales with confidence.

This kit includes bits of 3, 4, 5, 6, 6.5, 7, 8, and 10 millimeters, matching common hardware and fastener dimensions. Made from high-speed steel coated with durable titanium, the bits resist wear during repeated steel and wood drilling tasks, keeping edges sharp longer.

Pros

• Titanium coating enhances bit longevity
• Hex shank fits standard power drills
• Comprehensive size range for versatile applications
• Serrated edges improve cutting efficiency

Cons

• Limited to 8-piece set may require supplementing for smaller holes

Knife makers using different handle thicknesses or hardware will appreciate the convenient size assortment and enhanced durability this titanium-coated set provides. It pairs well with general drilling duties in knife crafting.

5. COMOWARE Titanium Twist Drill Bit Set 16 Pcs, 1/16″-1/4, Hex

Best for: Compact, precise titanium-coated bits.

Sixteen hex shank drill bits with titanium coating deliver tough, chatter-free drilling across wood, plastic, and aluminum alloys. These bits include a staggered cutting teeth design, promoting clean holes essential for smooth knife assembly and countersinking screws.

Sizing from 1/16 inch to 1/4 inch supports detailed handle drilling and fastener holes. The two-flute design effectively removes chips, while the 1/4 inch hex shank ensures compatibility and quick bit changes in common power tools. An index storage case keeps them organized for home or workshop use.

Pros

• Titanium coating reduces friction and heat
• Two-flute design clears chips efficiently
• 1/4 inch hex shank for stability and fast changes
• 16 bits cover small to medium sizes

Cons

• Smaller max diameter of 1/4 inch limits larger hole options

Craftsmen working on intricate knife handles needing clean, precise holes in softer materials will find this set a dependable selection. Its titanium finish and flute design minimize heat and debris buildup.

6. 13Pcs(1/16″-1/4″) Cobalt Drill Bit Set M35 HSS Jobber Length

Best for: Designed for multi-material cutting needs.

Thirteen cobalt drill bits in sizes from 1/16 to 1/4 inch offer dependable performance on steel, cast iron, and softer metals. The M35 cobalt material balances hardness and toughness, facilitating effective drill-throughs without chipping or blunting during knife manufacturing.

The selection includes common jobber length bits with 135-degree split points for self-centering. Accompanied by an index storage case, these bits enable rapid size swaps while working on blade or handle projects involving wood and plastic as well.

Pros

• M35 cobalt steel excels in hard and soft materials
• 135-degree split point reduces bit walking
• Jobber length provides versatility for deep holes
• Comes with index storage case

Cons

• 13-piece range may need expansion for large diameter drilling

Ideal for knife makers requiring reliable bits for metals and supportive materials, this cobalt set achieves precision and durability for all stages of knife crafting, from blade drilling to handle shaping.

7. 3-10mm 8 Pack Titanium Coated HSS Twist Drill Bit

Best for: Versatile eight sizes for varied projects.

This 8-pack of titanium-coated HSS twist drill bits spans 3mm to 10mm, covering the most common hole sizes in knife making. Hex shanks combined with serrated edges maximize grip and cutting speed, enabling efficient hole creation in wood, metal, and plastics involved with knife handles.

Each bit’s titanium coating reduces wear and maintains sharpness over extended use. The set’s multi-size assortment assures readiness for differing tasks, from mounting hardware to shaping components. Compatible with most power drills, these bits provide a practical mix of precision and durability.

Pros

• Titanium coating extends cutting edge life
• Hex shank supports secure drill chuck grip
• Includes popular sizes for knife hardware
• Serrated cutting edges enhance material penetration

Cons

• Smaller pack size than some competitors limits hole size options

Knife makers handling varied materials and sizes will appreciate this durable and precise titanium-coated set. It balances convenience with performance for both professional and hobby projects.

8. DEWALT Drill Bit Set, 21 Pc High Speed Steel DEWALT

Best for: Comprehensive set with corrosion resistance.

Comprising 21 black oxide-coated drill bits, this DEWALT set provides general-purpose drilling adaptability across metal, hardwoods, and plastics. The black oxide finish improves corrosion resistance and durability for extended use during knife handle and blade fabrication.

Bits feature a 135° split-point tip for reduced walking, and a 31° helix angle to moderate aggressive cutting. The parabolic flute design enhances chip ejection improving drilling speed and surface finish. Sizes accommodate a wide variety of drilling needs typical in knife making projects.

Pros

• Black oxide coating resists rust
• 135° split-point prevents walking on hard surfaces
• 31° helix angle reduces aggressive cutting
• Parabolic flute design improves chip clearance

Cons

• Does not include cobalt material for extreme hardness drilling

This DEWALT set suits knife makers requiring a broad general-purpose kit to handle metals and woods with corrosion resistance. Its balance of features helps maintain bit life across diverse knife-making tasks.

9. ANGELSWORD M35 Cobalt Drill Bit Set for Metal, Stepped Point

Best for: Multi-size cobalt set with stepped point precision.

Containing 29 pieces with sizes from 1/16 inch to 1/2 inch in 1/64-inch increments, this ANGELSWORD M35 cobalt set features titanium coating and stepped point tips. The stepped points eliminate the need for pilot holes by allowing one bit to drill varied diameters with high accuracy.

Enhanced wear resistance and red-hot hardness result from 5% cobalt alloy composition, ensuring durability during intense metal drilling. Titanium coating provides anti-rust protection, while the stepped points improve drilling speed and precision, ideal for consistent hole production in knife making.

Pros

• 29-piece size range with 1/64 inch increments
• Stepped point tip reduces pilot hole necessity
• M35 cobalt steel offers superior heat resistance
• Titanium coating resists corrosion

Cons

• Stepped point design may not suit all drilling angles

Perfect for knife makers who prefer one bit adaptable to multiple hole sizes, this set offers precision and durability. The stepped point tip and extensive size selection streamline workflow in high-volume or detailed projects.

10. 3/16″ Solid Carbide Drill Bits, 2Pcs Carbide Drill Bit Set

Best for: Precision flat-bottom carbide bits.

Two solid carbide drill bits sized at 3/16 inch come with precision flat bottom design, producing highly accurate, smooth, flat-bottom holes essential when making knife parts requiring exact depth control without extra finishing.

Each bit measures 0.1875 inch in diameter with a 0.25 inch shank and nearly one-inch flute length for stability and cutting efficiency. Carbide construction excels at drilling hardened steels and alloys, making these bits suitable for specialized operations like hole enlargement or drilling hardened blade tangs.

Pros

• Solid carbide offers exceptional hardness
• Flat bottom design ensures hole depth precision
• Flute length supports smooth chip removal
• Durable for hard steel and specialty materials

Cons

• Limited to just two drill bits restricts versatility

For knife makers needing ultra-precise hole depth and finishing in hardened steel, these carbide bits perform excellently. Their specialty design fits critical manufacturing phases demanding high accuracy.

How to Choose the Right Drill Bits for Knife Making

Material quality and durability

Selecting drill bits crafted from high-speed steel or cobalt steel ensures durability and resilience when working with both metal and wood in knife making. These materials withstand the friction and heat generated during extended drilling sessions without losing their temper or bending. Look for bits with a solid, sturdy build and a finish that resists corrosion and wear.

These qualities guarantee the bit will maintain sharpness and structural integrity after repeated use, especially when penetrating tough metals. Prioritize cobalt steel bits for extreme longevity and high-speed steel for versatile, reliable drilling in softer substrates commonly encountered in knife handles.

Size and precision requirements

Choosing the proper drill bit diameter is crucial for precision in handle hole sizing to accommodate pins and screws securely. Bits should have tight manufacturing tolerances with minimal diameter variance for an exact fit, preventing loose or overly tight holes that compromise handle stability. Consider a set offering a range of small diameters with clear size markings to handle different hole sizes and depths required for knife tangs and scales.

Depth stops or bits designed with step features can help control drilling depth, ensuring consistent, clean holes through varying thicknesses without splitting or misalignment.

Cutting performance and speed

Sharpness and the specific cutting angle of the drill bit directly influence how smoothly and quickly the bit penetrates materials. Ideal bits feature a cutting angle around 118 to 135 degrees, balancing aggressive cutting and smooth material removal to minimize tear-out in both wood and metal tangs. Bit designs such as split point tips reduce wandering on entry and expedite drilling speed while preserving material integrity.

Ensure compatibility with your drill’s power settings—bits should perform efficiently at moderate to high speeds without excessive vibration or kicking, providing consistent results with minimal effort.

Heat resistance and temperature control

Drill bits with coatings like titanium nitride, black oxide, or diamond-like carbon reduce heat buildup and prolong bit sharpness during high-friction drilling. These coatings lower surface friction, allowing the bit to stay cooler and maintain its cutting edge, which directly affects the bit’s ability to keep a consistent shape. Excess heat causes premature dulling and warping, so opt for coated bits when performing long or deep drilling cycles.

Additionally, controlling feed rate and using coolant or compressed air during drilling preserves bit life by dissipating heat, preventing damage that reduces the bit’s lifespan and accuracy.

Design features and ease of use

The shank design must securely fit various chuck sizes to prevent slippage during operation, with round or hex shanks providing reliable grip for manual or powered drills used in knife making. Twisted flute bits are beneficial for effective chip removal and consistent cutting, while straight flute bits offer easier cleaning and reduced clogging when working with resins or dense woods. Ease of maintenance is critical; bits that resist material build-up and can be easily cleaned with brushes or solvents maintain peak cutting efficiency.

Select bits with these practical design features to streamline workflow and extend usability throughout your knife crafting projects.

Which Should You Choose?

• If you need to drill through hardened steel or tough metals, choose cobalt drill bits with at least 5% cobalt content for enhanced heat resistance and durability.
• If precision in small to medium hole sizes is your priority, opt for a drill bit set that includes sizes from 1/16″ up to 1/2″ with a stepped point tip for cleaner, more accurate drilling.
• If you’re working with a variety of materials including softer metals, wood, or plastics alongside metals, select high-speed steel drill bits with split point tips to reduce walking and increase control.
• If longevity and resistance to wear are crucial, especially for frequent use, pick titanium-coated drill bits that combine durability with reduced friction and heat buildup.

Quick Best Drill Bits For Knife Making Buying Checklist

• Material Type: Select bits made of HSS or cobalt for durability against hard metals.
• Size Accuracy: Ensure bit diameter matches the requirements of your knife handle pins.
• Heat Resistance: Choose bits with coatings like titanium nitride to reduce wear from heat.
• Compatibility: Confirm the drill bit fits your drill’s chuck size securely.
• Cutting Edge Design: Look for sharp tips with proper angles to avoid chipping.
• Maintenance Ease: Opt for bits that are easy to clean and sharpen for longevity.

Frequently Asked Questions

What Materials Are Best For Drill Bits Used In Knife Making?

High-speed steel (HSS) and cobalt steel are best for drill bits in knife making due to their hardness and heat resistance. These materials handle metal drilling efficiently and maintain sharpness longer, essential for creating precise holes in tough knife components.

How Important Is Drill Bit Size For Knife Making?

Drill bit size is critical in knife making as it determines the fit of pins and screws in the handle and blade. Using the correct diameter ensures secure assembly and prevents damaging delicate knife parts during drilling.

Can Drill Bit Coatings Improve Performance In Knife Making?

Yes, coatings like titanium nitride and black oxide enhance drill bit performance by reducing friction and heat buildup. This helps maintain bit sharpness and extends lifespan during repeated drilling on metal and wood handle materials.

What Drill Bit Design Features Aid Knife Making?

Drill bits with a twisted flute design and sharp cutting angles promote efficient chip removal and clean holes. A straight shank ensures stable grip in the drill chuck, reducing wobble and improving accuracy in knife making tasks.

How Can Heat Affect Drill Bits During Knife Making?

Excessive heat from drilling can soften drill bits and cause premature wear. Maintaining proper speed, using coated bits, and cooling techniques help preserve bit integrity, ensuring precise and durable holes in knife making.

Final Suggestions

Choosing the best drill bits for knife making ensures precise, durable, and clean holes essential for crafting high-quality knives. These bits offer robust performance and heat resistance, making them valuable tools for any knife maker’s collection. Invest in the right drill bits to elevate your knife building process with confidence and precision.