Jobbers' Drill Bits | McMaster-Carr

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Drill Bit Size

For Use On

System of Measurement

Length Class

Finish

Aluminum Titanium Nitride (AlTiN) Coated

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Carbon Nitride (TiCN) Coated

Titanium Nitride (TiN) Coated

Drill Bit Point Type

Decimal Size Equivalent

Shank Size

Material

Shank Type

Point Angle

Flute Direction

Overall Length

Sold As

Flute Type

Maximum Drilling Depth

Bit Style

Number of Flutes

Screw Size

RoHS

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

Number of Pieces

Specifications Met

Drill Bit Sizes Included

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

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")

1/16"-1/2" (increments of 1/64")

1/16"-1/4" (increments of 1/32")

1/16"-1/4" (increments of 1/64")

1/16"-3/8" (increments of 1/16")

1/16"-3/8" (increments of 1/64")

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4,716 Products

About Drill Bits

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

Drill Bits

Sold Individually

High-Speed Steel Drill Bits

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

1,168 products

Cobalt Steel Drill Bits

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

660 products

Carbide-Tipped Drill Bits

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

220 products

Carbide Drill Bits

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

384 products

Chip-Clearing High-Speed Steel Drill Bits

Prevent clogs and dissipate heat when drilling most metals

440 products

Chip-Clearing Cobalt Steel Drill Bits

Avoid clogs and dissipate heat with bits that last at least twice as long as high-speed steel

244 products

Chip-Clearing Carbide Drill Bits

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

80 products

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

29 products

Chip-Clearing Cobalt Steel Drill Bits for Nickel and Stainless Steel

Aggressively cut difficult-to-machine metals without clogging

29 products

Short-Flute Cobalt Steel Drill Bits

Combine the toughness and wear resistance of cobalt with short flutes for rigidity

81 products

Precise-Cut High-Speed Steel Drill Bits

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

11 products

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

11 products

Smooth-Finish Carbide Drill Bits

More cutting edges for a consistent finish

96 products

Carbide-Tipped Drill Bits for Hardened Steel

Straight flutes withstand the heavy pressure needed to penetrate hardened steel

42 products

Quick-Change Hex High-Speed Steel Drill Bits

Save time when you need to change bits frequently

18 products

Expanded-Shank Carbide Drill Bits

Make small holes using standard-size tools

254 products

Reduced-Shank High-Speed Steel Drill Bits

Make large holes using standard-size tools

202 products

Reduced-Shank Cobalt Steel Drill Bits

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

82 products

Reduced-Shank Carbide-Tipped Drill Bits

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

20 products

Coolant-Fed Carbide Drill Bits

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

25 products

Left-Hand High-Speed Steel Drill Bits

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

148 products

Left-Hand Cobalt Steel Drill Bits

The flutes spiral in the opposite direction of other bits and stay sharp longer than high-speed steel

24 products

Nonsparking Drill Bits

Drill safely in flammable environments

4 products

High-Speed Steel Drill Bits for Plastic

Penetrate gradually to prevent cracking and chipping

116 products

Carbide Drill Bits for Carbon Fiber, Fiberglass, and Graphite

Drill abrasive materials cleanly

161 products

Sold as Sets

High-Speed Steel Drill Bit Sets

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

55 products

Cobalt Steel Drill Bit Sets

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

17 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

6 products

Chip-Clearing High-Speed Steel Drill Bit Sets

Prevent clogs and dissipate heat when drilling most metals

3 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

11 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

Expanded-Shank Carbide Drill Bit Sets

Make small holes using standard-size tools

3 products

Left-Hand High-Speed Steel Drill Bit Sets

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

6 products

Quick-Change Hex High-Speed Steel Drill Bit Sets

Save time when you need to change bits frequently

3 products

Other Products

Tap and Drill Bit Stands

Organize taps and drill bits by size

21 products

Drill Bit Pouches

Store and carry drill bits for easy access

3 products

Cabinets

Store objects on enclosed shelves

10 products

Counterbores

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

14 products

Countersinks

Cut a cone-shaped opening in a hole to install flat-head screws and rivets flush with the surface

10 products

Drill/Screwdriver Bits

Quickly change between drilling countersunk holes and driving screws

6 products