3/8" Shank Size Drill Bits

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EAR99

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204 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

22 products

High-Speed Steel Step Drill Bits

Simplify jobs by drilling multiple hole sizes using a single bit

14 products

Cobalt Steel Drill Bits

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

11 products

Multidiameter High-Speed Steel Step Drill Bits

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

4 products

Carbide-Tipped Drill Bits for Masonry and Concrete

Crush tough materials to make holes in masonry

19 products

Carbide Drill Bits

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

6 products

Reduced-Shank High-Speed Steel Drill Bits

Make large holes using standard-size tools

8 products

Cobalt Steel Step Drill Bits

One bit drills multiple hole sizes and lasts twice as long as high-speed steel

2 products

Carbide-Tipped Drill Bits

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

5 products

Chip-Clearing Drill Bits for Wood

Prevent clogs that wear the bit and slow down drilling

5 products

High-Speed Steel Precise-Cut Drill Bits for Wood

Point stays sharp longer to cut accurate straight and overlapping holes

3 products

Carbide-Tipped Smooth-Finish Drill Bits for Wood

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

14 products

Chip-Clearing High-Speed Steel Drill Bits

Prevent clogs and dissipate heat when drilling most metals

7 products

Steel Precise-Cut Drill Bits for Wood

Cut accurate straight and overlapping holes, even across the grain

3 products

Short-Flute High-Speed Steel Drill Bits

The rigidity of short-length bits without sacrificing reach

2 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

3 products

Precise-Cut High-Speed Steel Drill Bits

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

1 product

Hole-Starting Carbide Drill Bits

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

10 products

Left-Hand High-Speed Steel Drill Bits

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

2 products

Nonsparking Drill Bits

Drill safely in flammable environments

1 product

Carbide-Tipped Drill Bits for Hardened Steel

Straight flutes withstand the heavy pressure needed to penetrate hardened steel

1 product

Coolant-Fed Carbide Drill Bits

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

2 products

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

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

8 products

Carbide Drill Bits for Carbon Fiber, Fiberglass, and Graphite

Drill abrasive materials cleanly

3 products

Carbide Drill Bits for Hardened Steel

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

2 products

Smooth-Finish Carbide Drill Bits

More cutting edges for a consistent finish

1 product

Short-Flute Carbide-Tipped Drill Bits

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

2 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

1 product

Hole-Starting Cobalt Steel Drill Bits

Create an accurate starting place for a precise final hole

4 products

Short-Flute Cobalt Steel Drill Bits

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

1 product

Chip-Clearing Cobalt Steel Drill Bits

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

2 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

1 product

Chip-Clearing Carbide Drill Bits

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

2 products

High-Speed Steel Drill Bits for Wire Installation

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

2 products

Carbide Drill Bits for Sheet Metal

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

1 product

Carbide-Tipped Drill Bits for Wire Installation

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

2 products

Rebar-Cutting Carbide-Tipped Drill Bits

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

3 products

Drill Bits with Countersunk-Hole Guide

Center holes perfectly before installing hinges and other hardware

4 products

Sold as Sets

Reduced-Shank High-Speed Steel Drill Bit Sets

Make large holes using standard-size tools

1 product

Other Products

Hole Saw Arbors

Secure a hole saw to a drill or drill press

4 products

Drill Bit Extensions

Expand the reach of drill bits to get into deep and hard-to-reach spots

10 products