Uncoated Drill Bits | McMaster-Carr

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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

1.0 mm and 1.5 mm

1.0-13.0 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")

4,614 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

484 products

Cobalt Steel Drill Bits

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

477 products

Carbide-Tipped Drill Bits for Masonry and Concrete

Crush tough materials to make holes in masonry

297 products

Carbide-Tipped Drill Bits

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

333 products

Carbide Drill Bits

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

225 products

Expanded-Shank Carbide Drill Bits

Make small holes using standard-size tools

122 products

Reduced-Shank Cobalt Steel Drill Bits

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

66 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

215 products

High-Speed Steel Drill Bits for Plastic

Penetrate gradually to prevent cracking and chipping

116 products

Chip-Clearing High-Speed Steel Drill Bits

Prevent clogs and dissipate heat when drilling most metals

252 products

Smooth-Finish Carbide Drill Bits

More cutting edges for a consistent finish

96 products

Carbide Drill Bits for Carbon Fiber, Fiberglass, and Graphite

Drill abrasive materials cleanly

128 products

Coolant-Fed Carbide-Tipped Drill Bits

Coolant flows through the bit to reduce heat and evacuate chips

50 products

Reduced-Shank Carbide-Tipped Drill Bits

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

20 products

High-Speed Steel Precise-Cut Drill Bits for Wood

Point stays sharp longer to cut accurate straight and overlapping holes

37 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

40 products

Carbide-Tipped Drill Bits for Hardened Steel

Straight flutes withstand the heavy pressure needed to penetrate hardened steel

42 products

Short-Flute Carbide-Tipped Drill Bits

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

89 products

Short-Flute Cobalt Steel Drill Bits

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

78 products

Carbide Drill Bits for Hardened Steel

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

115 products

Tapping Screw Installation Drill Bits for Masonry and Concrete

Slightly smaller than the screw size for a tight fit after installation

54 products

Left-Hand High-Speed Steel Drill Bits

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

107 products

Cobalt Steel Step Drill Bits

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

6 products

Fast-Cutting Smooth-Finish Drill Bits for Wood

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

36 products

Drill Bits for Wood

Make rough holes in wood

23 products

Carbide-Tipped Drill Bits for Glass and Ceramic

Extremely hard and wear resistant to maintain a sharp edge cut after cut

10 products

High-Speed Steel Step Drill Bits

Simplify jobs by drilling multiple hole sizes using a single bit

11 products

Chip-Clearing Drill Bits for Wood

Prevent clogs that wear the bit and slow down drilling

21 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

High-Speed Steel Drill Bits for Wood Screws

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

26 products

Smooth-Finish Drill Bits for Wood

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

29 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

19 products

Rebar-Cutting Carbide-Tipped Drill Bits

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

36 products

Hole-Starting Cobalt Steel Drill Bits

Create an accurate starting place for a precise final hole

20 products

Carbide-Tipped Smooth-Finish Drill Bits for Wood

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

18 products

Hole-Starting Carbide Drill Bits

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

35 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

29 products

Nonsparking Drill Bits

Drill safely in flammable environments

4 products

Chip-Clearing Carbide Drill Bits

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

40 products

Adjustable-Blade Drill Bits for Wood

Bore a variety of hole sizes with one bit

2 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

Spot-Weld-Removal High-Speed Steel Drill Bits

Separate metal panels without drilling all the way through them

7 products

Carbide-Tipped Core Drill Bits for Masonry and Concrete

Remove a core of material for larger holes than other masonry bits

23 products

Anchor Installation Drill Bits for Masonry and Concrete

Ensure the right depth so drop-in anchors don't fall too far into the hole

7 products

Drill Bits with Countersunk-Hole Guide

Center holes perfectly before installing hinges and other hardware

16 products

Changeable-Size Carbide-Tipped Core Drill Bits for Masonry and Concrete

Instead of buying multiple bits, change the body to drill a different size

32 products

Drill Bits for Paper and Fabric

Razor-sharp cutting for binding documents and sample swatches

7 products

Sold as Sets

Cobalt Steel Drill Bit Sets

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

17 products

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

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

15 products

Carbide-Tipped Drill Bit Sets for Masonry and Concrete

Crush tough materials to make holes in masonry

7 products

Carbide Drill Bit Sets

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

4 products

Carbide-Tipped Drill Bit Sets

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

2 products

High-Speed Steel Drill Bit Sets for Plastic

Penetrate gradually to prevent cracking and chipping

1 product

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

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

Step Drill High-Speed Steel Bit Sets

Simplify jobs by drilling multiple hole sizes using a single bit

2 products

Expanded-Shank Carbide Drill Bit Sets

Make small holes using standard-size tools

3 products

Reduced-Shank High-Speed Steel Drill Bit Sets

Make large holes using standard-size tools

3 products

Drill Bit Sets for Wood

Make rough holes in wood

2 products

Smooth-Finish Drill Bit Sets for Wood

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

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, Die, and Drill Bit Sets

Cut and repair internal and external threads and drill holes in many different sizes

1 product

Center Drills

Drill cone-shaped openings to mate with lathe centers or start pilot holes for screws

227 products

Tap and Drill Bit Sets

Drill holes and cut internal threads in a variety of sizes

12 products

Drill Taps

Drill and thread holes with the same bit

70 products

Countersinks

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

142 products

Counterbores

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

52 products

End Mills

Cut and shape material to create precise slots, grooves, and profiles

40 products

Taps

Cut internal threads for fasteners, pipe, conduit, and more

15 products

Countersink Drill Bits

A single bit drills and creates an angled surface so oval and flat screw heads sit flush

17 products

Counterbore Drill Bits

A single bit drills and creates a flat surface for the head of a socket head cap screw

23 products

Router Bits

Attach to routers and CNC machines to cut grooves, chamfers, and other detailed shapes

18 products