1/4" Shank Size Drill Bits

Filter by

System of Measurement

Drill Bit Size

For Use On

Shank Type

Length Class

Overall Length

Drill Bit Point Type

Finish

Aluminum Titanium Nitride (AlTiN) Coated

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Nitride (TiN) Coated

Shank Size

Point Angle

Maximum Drilling Depth

Material

Sold As

Flute Direction

Bit Style

Decimal Size Equivalent

Length

Flute Type

Number of Flutes

Screw Size

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

REACH

RoHS

Compliant with Exemptions

Not Compliant

Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

Thread Size

395 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

78 products

Cobalt Steel Drill Bits

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

14 products

Quick-Change Hex High-Speed Steel Drill Bits

Save time when you need to change bits frequently

29 products

Carbide Drill Bits

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

7 products

Drill Bits for Wood

Make rough holes in wood

23 products

High-Speed Steel Step Drill Bits

Simplify jobs by drilling multiple hole sizes using a single bit

7 products

Carbide-Tipped Drill Bits for Masonry and Concrete

Crush tough materials to make holes in masonry

16 products

High-Speed Steel Drill Bits for Plastic

Penetrate gradually to prevent cracking and chipping

6 products

Reduced-Shank High-Speed Steel Drill Bits

Make large holes using standard-size tools

12 products

Carbide-Tipped Drill Bits

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

5 products

Cobalt Steel Step Drill Bits

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

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 Carbide Drill Bits

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

7 products

Short-Flute High-Speed Steel Drill Bits

The rigidity of short-length bits without sacrificing reach

2 products

High-Speed Steel Precise-Cut Drill Bits for Wood

Point stays sharp longer to cut accurate straight and overlapping holes

3 products

Chip-Clearing High-Speed Steel Drill Bits

Prevent clogs and dissipate heat when drilling most metals

7 products

Multidiameter High-Speed Steel Step Drill Bits

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

1 product

Left-Hand High-Speed Steel Drill Bits

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

2 products

Short-Flute Cobalt Steel Drill Bits

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

3 products

Carbide Drill Bits for Carbon Fiber, Fiberglass, and Graphite

Drill abrasive materials cleanly

4 products

Carbide Drill Bits for Hardened Steel

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

3 products

Hole-Starting Carbide Drill Bits

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

10 products

Quick-Change Hex Carbide-Tipped Drill Bits for Masonry and Concrete

Add masonry drilling to the jobs your impact driver can do

3 products

Flexible-Shaft Drill Bits for Wire Installation

Drill inside walls and between floors to install electrical wiring without cutting extra holes

8 products

Carbide-Tipped Drill Bits for Hardened Steel

Straight flutes withstand the heavy pressure needed to penetrate hardened steel

1 product

Short-Flute Carbide-Tipped Drill Bits

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

2 products

Drill Bits with Countersunk-Hole Guide

Center holes perfectly before installing hinges and other hardware

10 products

Quick-Change Hex Tapping Screw Installation Drill Bits for Masonry and Concrete

Use the same tool to drill holes and install tapping screws

5 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

Carbide-Tipped Drill Bits for Stone

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

2 products

Coolant-Fed Carbide Drill Bits

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

2 products

Smooth-Finish Carbide Drill Bits

More cutting edges for a consistent finish

2 products

Spot-Weld-Removal High-Speed Steel Drill Bits

Separate metal panels without drilling all the way through them

2 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

3 products

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

Aggressively cut difficult-to-machine metals without clogging

1 product

Steel Precise-Cut Drill Bits for Wood

Cut accurate straight and overlapping holes, even across the grain

1 product

High-Speed Steel Drill Bits for Sheet Metal

Make shallow cuts without snagging and deforming thin metal and tubing

2 products

Hole-Starting Cobalt Steel Drill Bits

Create an accurate starting place for a precise final hole

4 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

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

Nonsparking Drill Bits

Drill safely in flammable environments

1 product

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

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

10 products

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 Wood Screws

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

2 products

Carbide-Tipped Smooth-Finish Drill Bits for Wood

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

3 products

Sold as Sets

Quick-Change Hex High-Speed Steel Drill Bit Sets

Save time when you need to change bits frequently

3 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

Reduced-Shank High-Speed Steel Drill Bit Sets

Make large holes using standard-size tools

2 products

Other Products

Drill Bit Extensions

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

44 products

Hole Saw Arbors

Secure a hole saw to a drill or drill press

6 products

Countersinks

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

10 products

Counterbores

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

14 products

Drill Chuck Adapters

Connect your drill chuck to drill bits of different sizes or shank types

1 product