CNC Drill Bits | McMaster-Carr

Filter by

For Use On

Aluminum Honeycomb

System of Measurement

Mill Diameter

Drill Bit Size

Number of Flutes

Material

Carbide-Tipped Steel

Cubic Boron Nitride

Stainless Steel

Tungsten Carbide

Overall Length

Finish

Aluminum Chromium Nitride (AlCrN) Coated

Aluminum Non-Ferrous (ANF) Coated

Aluminum Titanium Nitride (AlTiN) Coated

Black/Gold Oxide

Diamondlike Carbon (DLC) Coated

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Aluminum Silicon Nitride (TiAlSiN) Coated

Titanium Carbon Nitride (TiCN) Coated

Titanium Diboride (TiB₂) Coated

Titanium Nitride (TiN) Coated

Zirconium Nitride (ZrN) Coated

Length Class

Shank Diameter

Length of Cut

Decimal Size Equivalent

Shank Type

Quick-Change Hex

Flute Type

Diamond Pattern

Length

Shank Size

Drill Bit Point Type

Sold As

Maximum Drilling Depth

Point Angle

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

DFARS Specialty Metals

REACH

How can we improve?

Help me decide (beta)

13,874 Products

...

About Drill Bits

Compare material, finish, length class, and decimal size equivalents.

Drill Bits

Sold Individually

Expanded-Shank Carbide Drill Bits

Expanded-Shank Carbide Drill Bits

Make small holes using standard-size tools

High-Speed Steel Drill Bits

High-Speed Steel Drill Bits

Cut holes in a variety of metals, from the softest aluminum to the hardest steel

Carbide Drill Bits

Carbide Drill Bits

The hardest and most wear-resistant drill bits you can buy

Smooth-Finish Carbide Drill Bits

Smooth-Finish Carbide Drill Bits

More cutting edges for a consistent finish

Precise-Cut Carbide Drill Bits

Precise-Cut Carbide Drill Bits

Even on the hardest materials, cut holes so precise that you don’t need to finish them with a reamer

High-Speed Steel Precise-Cut Drill Bits for Wood

High-Speed Steel Precise-Cut Drill Bits for Wood

Point stays sharp longer to cut accurate straight and overlapping holes

Chip-Clearing High-Speed Steel Drill Bits

Chip-Clearing High-Speed Steel Drill Bits

Prevent clogs and dissipate heat when drilling most metals

Carbide-Tipped Smooth-Finish Drill Bits for Wood

Carbide-Tipped Smooth-Finish Drill Bits for Wood

Stay sharp longer on tough materials, such as plywood and hard woods.

Carbide Drill Bits for Carbon Fiber, Fiberglass, and Graphite

Carbide Drill Bits for Carbon Fiber, Fiberglass, and Graphite

Drill abrasive materials cleanly

High-Speed Steel Drill Bits for Plastic

High-Speed Steel Drill Bits for Plastic

Penetrate gradually to prevent cracking and chipping

Carbide Drill Bits for Hardened Steel

Carbide Drill Bits for Hardened Steel

The hardest and most wear-resistant bits handle the heavy pressure needed to penetrate hardened steel

Carbide-Insert Drill Bits

Carbide-Insert Drill Bits

Once the cutting edges wear down, just change the inserts

Hole-Starting Carbide Drill Bits

Hole-Starting Carbide Drill Bits

Harder and last longer than cobalt steel, bits create an accurate starting place in your workpiece

High-Speed Steel Drill Bits for Wood Screws

High-Speed Steel Drill Bits for Wood Screws

Match the exact thread and diameter of wood screws for a perfect fit

Carbide-Tipped Drill Bits

Carbide-Tipped Drill Bits

Stronger than cobalt and high-speed steel, bits stay sharp at high temperatures

Carbide Drill Bits for Sheet Metal

Carbide Drill Bits for Sheet Metal

The hardest and most wear-resistant bits make shallow cuts without snagging and deforming thin metal and tubing

Short-Flute Carbide-Tipped Drill Bits

Short-Flute Carbide-Tipped Drill Bits

Our strongest short-flute bits stay sharp when drilling abrasive materials, such as titanium

Left-Hand High-Speed Steel Drill Bits

Left-Hand High-Speed Steel Drill Bits

Remove stripped screws with flutes that spiral in reverse from other bits

Reduced-Shank High-Speed Steel Drill Bits

Reduced-Shank High-Speed Steel Drill Bits

Make large holes using standard-size tools

Multidiameter High-Speed Steel Drill Bits

Multidiameter High-Speed Steel Drill Bits

With no fixed diameters, cut holes of almost any size with one bit

Coolant-Fed Carbide Drill Bits

Coolant-Fed Carbide Drill Bits

The hardest and most wear-resistant bits deliver coolant to reduce heat and evacuate chips

Coolant-Fed Carbide-Tipped Drill Bits

Coolant-Fed Carbide-Tipped Drill Bits

Coolant flows through the bit to reduce heat and evacuate chips

Carbide-Tipped Drill Bits for Hardened Steel

Carbide-Tipped Drill Bits for Hardened Steel

Straight flutes withstand the heavy pressure needed to penetrate hardened steel

Rebar-Cutting Carbide-Tipped Drill Bits

Rebar-Cutting Carbide-Tipped Drill Bits

No need to move the hole when you encounter rebar in concrete

Precise-Cut High-Speed Steel Drill Bits

Precise-Cut High-Speed Steel Drill Bits

Produce holes so precise that you don’t need to finish them with a reamer

Short-Flute High-Speed Steel Drill Bits

Short-Flute High-Speed Steel Drill Bits

The rigidity of short-length bits without sacrificing reach

Carbide-Tipped Drill Bits for Masonry and Concrete

Carbide-Tipped Drill Bits for Masonry and Concrete

Crush tough materials to make holes in masonry

Chip-Clearing High-Speed Steel Drill Bits for Aluminum, Brass, and Bronze

Chip-Clearing High-Speed Steel Drill Bits for Aluminum, Brass, and Bronze

Wide flutes clear chips from soft metals that can gum up other drill bits

Tapping Screw Installation Drill Bits for Masonry and Concrete

Tapping Screw Installation Drill Bits for Masonry and Concrete

Slightly smaller than the screw size for a tight fit after installation

Spot-Weld-Removal High-Speed Steel Drill Bits

Spot-Weld-Removal High-Speed Steel Drill Bits

Separate metal panels without drilling all the way through them

Chip-Clearing Carbide Drill Bits

Chip-Clearing Carbide Drill Bits

The hardest and most wear-resistant bits prevent clogs and dissipate heat

Chip-Clearing Carbide-Tipped Drill Bits for Masonry and Concrete

Chip-Clearing Carbide-Tipped Drill Bits for Masonry and Concrete

Lift dust and debris out of the hole more quickly than standard masonry bits

Reduced-Shank Carbide-Tipped Drill Bits

Reduced-Shank Carbide-Tipped Drill Bits

Our hardest reduced-shank bits make large holes with standard-size tools

High-Speed Steel Drill Bits for Sheet Metal

High-Speed Steel Drill Bits for Sheet Metal

Make shallow cuts without snagging and deforming thin metal and tubing

Reduced-Shank Cobalt Steel Drill Bits

Reduced-Shank Cobalt Steel Drill Bits

More wear resistant than high-speed steel, bits cut large holes with standard-size tools

Carbide Drill Bits for Port Counterbores

Carbide Drill Bits for Port Counterbores

Rough out port holes to the right shape for your counterbore to finish

Carbide-Tipped Drill Bits for Glass and Ceramic

Carbide-Tipped Drill Bits for Glass and Ceramic

Extremely hard and wear resistant to maintain a sharp edge cut after cut

High-Speed Steel Drill Bits for Wire Installation

High-Speed Steel Drill Bits for Wire Installation

Feed wiring through walls with the same tool used to make the hole

Carbide-Tipped Drill Bits for Stone

Carbide-Tipped Drill Bits for Stone

Grind through stone, granite, and slate tile without cracking it

Carbide-Tipped Drill Bits for Wire Installation

Carbide-Tipped Drill Bits for Wire Installation

Make holes in wood, masonry, and concrete walls and feed wiring through them

Drill Bits with Countersunk-Hole Guide

Drill Bits with Countersunk-Hole Guide

Center holes perfectly before installing hinges and other hardware

Sold as Sets

High-Speed Steel Drill Bit Sets

High-Speed Steel Drill Bit Sets

Cut holes in a variety of metals, from the softest aluminum to the hardest steel

Expanded-Shank Carbide Drill Bit Sets

Expanded-Shank Carbide Drill Bit Sets

Make small holes using standard-size tools

Carbide Drill Bit Sets

Carbide Drill Bit Sets

The hardest and most wear-resistant drill bits you can buy

Chip-Clearing High-Speed Steel Drill Bit Sets

Chip-Clearing High-Speed Steel Drill Bit Sets

Prevent clogs and dissipate heat when drilling most metals

Reduced-Shank High-Speed Steel Drill Bit Sets

Reduced-Shank High-Speed Steel Drill Bit Sets

Make large holes using standard-size tools

Left-Hand High-Speed Steel Drill Bit Sets

Left-Hand High-Speed Steel Drill Bit Sets

Remove stripped screws with flutes that spiral in reverse from other bits

Carbide-Tipped Drill Bit Sets for Masonry and Concrete

Carbide-Tipped Drill Bit Sets for Masonry and Concrete

Crush tough materials to make holes in masonry

Chip-Clearing Carbide-Tipped Drill Bit Sets for Masonry and Concrete

Chip-Clearing Carbide-Tipped Drill Bit Sets for Masonry and Concrete

Lift dust and debris out of the hole more quickly than standard masonry bits

Carbide-Tipped Drill Bit Sets

Carbide-Tipped Drill Bit Sets

Stronger than cobalt and high-speed steel, bits stay sharp at high temperatures

High-Speed Steel Drill Bit Sets for Plastic

High-Speed Steel Drill Bit Sets for Plastic

Penetrate gradually to prevent cracking and chipping

Other Products

End Mills

Cut and shape material to create precise slots, grooves, and profiles

Router Bits

Attach to routers and CNC machines to cut grooves, chamfers, and other detailed shapes

Reamer Drill Bits

Reamer Drill Bits

Drill and finish holes in one pass

Drill Bit Inserts

Drill Bit Inserts

Pair with compatible drill bit bodies to precisely drill multiple holes

Counterbore Drill Bits

Counterbore Drill Bits

A single bit drills and creates a flat surface for the head of a socket head cap screw

Drill Bushings

Fit in holes to guide drill bits and other cutting tools for precise and repeatable holes and cuts

Counterbores

Enlarge the top of a hole to install socket and hex head screws flush with the surface

Friction Drill Bits

Friction Drill Bits

Pair with friction drills to melt holes that have an outer lip in sheet metal

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)