Drill Indexes | McMaster-Carr

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System of Measurement

Length Class

For Use On

Number of Pieces

Drill Bit Point Type

Drill Bit Sizes Included

1 each in sizes 1/8"-1/2", 3/16"-1/2", 1/4"-3/4"

1 each in sizes 1/8"-1/2", 3/16"-1/2", 3/16"-7/8", 13/16"-1 3/8"

1 each of 5/16", 27/64", 7 Ga., and F

1 each of 6.8 mm, 8.5 mm, 10.5 mm, and 14 mm

1 each of sizes 17/32", 9/16", 5/8", 11/16", 3/4", and 13/16"

1 each of sizes 19/64" and 31/64"

1 each of sizes 3/16", 1/4", 5/16", and 1/2"

1 each of sizes 4 mm to 12 mm, 4 mm to 22 mm, 4 mm to 30 mm

1 each of sizes 5/16 to 13/16", 5/16 to 1", and 5/8 to 1 1/4"

1 each of sizes 5/16", 25/64", 27/64", 29/64", 36 ga, 33 ga., 25 ga., 21 ga., 16 ga., 15 ga., 7 ga., 3 ga., F, I, Q, and U

1 each of sizes 5/16", 27/64", 7 ga., and F

1 each of sizes 5/32", 3/16", 7/32", 1/4", and 5/16"

1 each of sizes 6 mm, 8 mm, 10 mm, and 12 mm

1 each of sizes 9/64", 5/32", 11/64", 3/16", 7/32", 1/4", 5/16", and 3/8"

Container Type

Sold As

Material

Finish

Aluminum Titanium Nitride (AlTiN) Coated

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Nitride (TiN) Coated

Shank Type

Drill Bit Size

Flute Direction

Number of Drill Bits

Point Angle

For Drill Bit System of Measurement

Bit Style

Flute Type

Manufacturer

Minnesota Twist Drill

Relton

Republic Drill

Tru-Cut

Number of Flutes

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

Yes

Export Control Classification Number (ECCN)

Length

REACH

RoHS

DFARS Specialty Metals

Exempt

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262 Products

About Drill Bits

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

Drill Bits

Sold as Sets

High-Speed Steel Drill Bit Sets

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

64 products

Cobalt Steel Drill Bit Sets

Tough and wear resistant to last at least twice as long as high-speed steel bits

21 products

Carbide-Tipped Drill Bit Sets

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

2 products

Carbide Drill Bit Sets

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

5 products

Short-Flute Cobalt Steel Drill Bit Sets

The rigidity of short-length bits without sacrificing reach

1 product

Hole-Enlarging Reduced-Shank Drill Bit Sets

An alternative to reamers for enlarging an existing drilled hole

1 product

Reduced-Shank High-Speed Steel Drill Bit Sets

Make large holes using standard-size tools

10 products

High-Speed Steel Step Drill Bit Sets

Simplify jobs by drilling multiple hole sizes using a single bit

3 products

Fast-Cutting Smooth-Finish Drill Bit Sets for Wood

Create less friction and heat buildup than other smooth-finish bits to run faster and last longer

1 product

Chip-Clearing High-Speed Steel Drill Bit Sets

Prevent clogs and dissipate heat when drilling most metals

3 products

Cobalt Steel Reduced-Round Shank Drill Bit Sets

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

1 product

Left-Hand High-Speed Steel Drill Bit Sets

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

6 products

High-Speed Steel Drill Bit Sets for Plastic

Penetrate gradually to prevent cracking and chipping

1 product

Precise-Cut Drill Bit Sets for Wood

Cut accurate straight and overlapping holes, even across the grain

1 product

Expanded-Shank Carbide Drill Bit Sets

Make small holes using standard-size tools

3 products

Quick-Change Hex High-Speed Steel Drill Bit Sets

Save time when you need to change bits frequently

3 products

Carbide-Tipped Drill Bit Sets for Masonry and Concrete

Crush tough materials to make holes in masonry

7 products

Smooth-Finish Drill Bit Sets for Wood

Multiple teeth cut away large amounts of material to bore clean, flat-bottom holes

2 products

Quick-Change Hex Carbide-Tipped Drill Bit Sets for Masonry and Concrete

Add masonry drilling to the jobs your impact driver can do

1 product

Drill Bit Sets for Wood

Make rough holes in wood

2 products

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

3 products

Impact Wrench High-Speed Steel Drill Bit Sets

Cut holes of different sizes twice as fast as a power drill

12 products

Impact Wrench High-Speed Steel Step Drill Bit Sets

Use high torque to drill a wide range of hole sizes with just three bits

10 products

Impact Wrench High-Speed Steel Multidiameter Drill Bit Sets

Keep multiple bits on hand to precisely drill just about any hole with high torque

9 products

Other Products

Tap and Drill Bit Stands

Organize taps and drill bits by size

35 products

Cutting Tool Cabinets

Organize and store taps, drill bits, and end mills in labeled compartments

16 products

Tap and Drill Bit Sets

Drill holes and cut internal threads in a variety of sizes

26 products

Drill Bit Size Gauges

Match your drill bit to one of the holes to confirm its size

5 products

Cutting Tool Workbench Drawers

Mount under a workbench or shelf to store bits in labeled compartments

1 product

Drill Bit Pouches

Store and carry drill bits for easy access

4 products

Workbench Drawers

Mount or stack under workbenches to store papers, small parts, and tools

1 product

Drill Taps

Drill and thread holes with the same bit

11 products

Bur Organizers

Store and organize burs in fabric pouches, plastic cases, or wood boxes

11 products

Hollow-Core Cutters

Cut burr-free holes by only cutting the outside edge of a hole

10 products

Tap, Drill Bit, and Reamer Sets

The fastest way to prepare holes with a hand tool

11 products