Drill Indexes | McMaster-Carr

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System of Measurement

Length Class

Number of Pieces

For Use On

Container 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 sizes 19/64" and 31/64"

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 5/32", 3/16", 7/32", 1/4", and 5/16"

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

1.0 mm and 1.5 mm

1.0-13.0 mm (increments of 0.5 mm)

1.0-2.45 mm (increments of 0.05 mm)

1.0-6.0 mm (increments of 0.1 mm)

1.0-6.0 mm (increments of 0.5 mm)

1.0-7.0 mm (increments of 0.5 mm)

1/16"-1/2" (increments of 1/32")

Drill Bit Point Type

Material

Finish

Aluminum Titanium Nitride (AlTiN) Coated

Black Oxide

Carbide Tipped

Gold Oxide

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Nitride (TiN) Coated

Shank Type

Drill Bit Size

Number of Drill Bits

Flute Direction

For Drill Bit System of Measurement

Point Angle

Bit Style

Flute Type

Number of Flutes

Thread Size

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

Thread Type

Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

RoHS

REACH

Overall Length

237 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

Reduced-Shank High-Speed Steel Drill Bit Sets

Make large holes using standard-size tools

10 products

Hole-Enlarging Reduced-Shank Drill Bit Sets

An alternative to reamers for enlarging an existing drilled hole

1 product

Left-Hand High-Speed Steel Drill Bit Sets

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

6 products

Step Drill High-Speed Steel Bit Sets

Simplify jobs by drilling multiple hole sizes using a single bit

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

High-Speed Steel Drill Bit Sets for Plastic

Penetrate gradually to prevent cracking and chipping

1 product

Chip-Clearing High-Speed Steel Drill Bit Sets

Prevent clogs and dissipate heat when drilling most metals

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

Precise-Cut Drill Bit Sets for Wood

Cut accurate straight and overlapping holes, even across the grain

1 product

Quick-Change Hex High-Speed Steel Drill Bit Sets

Save time when you need to change bits frequently

3 products

Expanded-Shank Carbide Drill Bit Sets

Make small holes using standard-size tools

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

Finger Grip Drill Bits

Drill by hand in thin and delicate pieces of wood and plastic that a power tool would split

4 products

Other Products

Tap and Drill Bit Stands

Organize taps and drill bits by size

35 products

Machine 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

16 products

Drill Bit Size Gauges

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

5 products

Machine 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

Drill Taps

Drill and thread holes with the same bit

3 products

Workbench Drawers

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

1 product

Bur Containers

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

11 products