Steel Drill Bits | McMaster-Carr

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Magnesium Phosphate Coated

Titanium Aluminum Nitride (TiAlN) Coated

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EAR99

DFARS Specialty Metals

Number of Pieces

11,413 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

2,136 products

Cobalt Steel Drill Bits

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

1,014 products

Reduced-Shank High-Speed Steel Drill Bits

Make large holes using standard-size tools

242 products

Reduced-Shank Cobalt Steel Drill Bits

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

82 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

High-Speed Steel Step Drill Bits

Simplify jobs by drilling multiple hole sizes using a single bit

30 products

Left-Hand High-Speed Steel Drill Bits

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

148 products

Chip-Clearing High-Speed Steel Drill Bits

Prevent clogs and dissipate heat when drilling most metals

476 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

58 products

Short-Flute High-Speed Steel Drill Bits

The rigidity of short-length bits without sacrificing reach

180 products

High-Speed Steel Drill Bits for Plastic

Penetrate gradually to prevent cracking and chipping

116 products

Quick-Change Hex High-Speed Steel Drill Bits

Save time when you need to change bits frequently

30 products

Short-Flute Cobalt Steel Drill Bits

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

159 products

High-Speed Steel Precise-Cut Drill Bits for Wood

Point stays sharp longer to cut accurate straight and overlapping holes

37 products

Multidiameter High-Speed Steel Step Drill Bits

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

5 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

50 products

Cobalt Steel Step Drill Bits

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

6 products

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

Aggressively cut difficult-to-machine metals without clogging

29 products

Chip-Clearing Drill Bits for Wood

Prevent clogs that wear the bit and slow down drilling

32 products

Drill Bits for Wood

Make rough holes in wood

23 products

Rebar-Cutting Core Drill Bits for Concrete

Core out large holes in concrete, even if it's reinforced with rebar mesh

21 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

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

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

Hole-Enlarging Reduced-Shank Drill Bits

An alternative to reamers for enlarging an existing drilled hole

6 products

High-Speed Steel Drill Bits for Sheet Metal

Make shallow cuts without snagging and deforming thin metal and tubing

17 products

Carbide-Insert Drill Bits

Once the cutting edges wear down, just change the inserts

70 products

Drill Bits for Glass and Ceramic

Smoothly drill fragile materials so they don't chip or crack

19 products

Steel Precise-Cut Drill Bits for Wood

Cut accurate straight and overlapping holes, even across the grain

7 products

Hole-Starting Cobalt Steel Drill Bits

Create an accurate starting place for a precise final hole

26 products

Spot-Weld-Removal High-Speed Steel Drill Bits

Separate metal panels without drilling all the way through them

7 products

Adjustable-Blade Drill Bits for Wood

Bore a variety of hole sizes with one bit

2 products

Flexible-Shaft Drill Bits for Wire Installation

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

11 products

Drill Bits with Countersunk-Hole Guide

Center holes perfectly before installing hinges and other hardware

16 products

Drill Bits for Paper and Fabric

Razor-sharp cutting for binding documents and sample swatches

7 products

High-Speed Steel Drill Bits for Wire Installation

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

8 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

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

Left-Hand High-Speed Steel Drill Bit Sets

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

6 products

Reduced-Shank High-Speed Steel Drill Bit Sets

Make large holes using standard-size tools

10 products

Short-Flute Cobalt Steel Drill Bit Sets

The rigidity of short-length bits without sacrificing reach

1 product

High-Speed Steel Drill Bit Sets for Plastic

Penetrate gradually to prevent cracking and chipping

1 product

Hole-Enlarging Reduced-Shank Drill Bit Sets

An alternative to reamers for enlarging an existing drilled hole

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

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

Step Drill High-Speed Steel Bit Sets

Simplify jobs by drilling multiple hole sizes using a single bit

3 products

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

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

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

Hollow-Core Cutters

Use in magnetic-base drills to form burr-free holes by only cutting the outside edge of a hole

180 products

Screwdriver Bits

Pair with drivers to turn screws

965 products

Steel

Strong, machinable, and weldable—all with material certificates for traceability

2,338 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

210 products

Tap and Drill Bit Sets

Drill holes and cut internal threads in a variety of sizes

16 products

Drill Taps

Drill and thread holes with the same bit

111 products

Hole Saws

Connect to a drill or drill press to make circular cuts

649 products

Drill Stops

Limit how far bits can drill to create identical hole depths every time

145 products

Drill Bit Guides

Drill precise holes without building a fixture

8 products

Countersinks

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

174 products

Drill Bit Extensions

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

121 products

Counterbores

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

66 products

Tap and Drill Bit Stands

Organize taps and drill bits by size

31 products

Taps

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

15 products

Hole Saw Arbors

Secure a hole saw to a drill or drill press

14 products

Drill Bit Shank Adapters

Convert your power tool to fit different drill bit sizes or shank types

21 products

Socket Adapters

Make your socket more versatile, from converting the drive to limiting torque

200 products

Countersink Drill Bits

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

17 products

Drill Bit Size Gauges

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

5 products

Cabinets

Store objects on enclosed shelves

12 products

Hollow-Core Cutter Arbor Adapters

Modify hollow-core cutters to fit larger arbors on drill presses and milling machines

3 products

Nutdriver Bits

Pair with nutdrivers to turn hex nuts and cap screws

93 products

Counterbore Drill Bits

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

23 products

Drill Bit Sharpeners

Sharpen steel, high-speed steel, cobalt steel, and carbide spiral bits

7 products

Reamer Drill Bits

Drill and finish holes in one pass

26 products

Bit Adapters

Connect a variety of bits to drills, powered screwdrivers, ratchet wrenches, and other turning tools

40 products

Screw, Pipe, and Stud Extractors

Remove broken screws, pipes, and studs without damaging the threads around them

10 products

Hole Saw Slug Removers

Push or pull material out of hole saws to prevent binding

1 product

Plug Cutters

Form wood plugs to conceal fastener heads in counterbored holes

8 products

Friction Drills

Make a hole in thin metal to install threaded fasteners that won't twist or loosen

8 products

Driver Shafts

Attach to a handle to create your own driver tool, or pair with socket wrenches and power tools

37 products

Wing Nut Driver Bits

Use with power tools to hold and turn wing nuts

1 product

Threaded Inserts

Create new threads or repair stripped threads

18 products

End Mills

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

22 products

Drill Chucks

Connect drill bits to hand-held drills, drill presses, and milling machines

104 products

Screwdrivers

Tighten and loosen screws

20 products

Screwdriver/Nutdrivers

Quickly switch between driving screws and driving nuts

5 products

Eyebolt and Hook Driver Bits

Install and remove eyebolts and screw-in hooks

4 products

Drill/Screwdriver Bits

Quickly change between drilling countersunk holes and driving screws

6 products

Hole Saw Arbor Extensions

Reach your hole saw into spots where your drill is too big to fit

2 products

Wood Screw Threaded Stud Driver Bits

Install wood screw threaded studs, which are also known as dowel screws

3 products

Threaded Rod and Stud Driver Bits

Quickly install threaded rods and studs with a cordless drill, instead of by hand

2 products

One-Way Screw Remover Bits

Use with a nutdriver to loosen one-way screws

7 products

Router Bits

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

4 products

Drill Bushings

Fit in holes to guide drill bits and other cutting tools for precise and repeatable holes and cuts

14 products

Hanger Bolt Driver Bits

Turn flat-end bolts and screws

4 products

T-Slotted Framing and Fittings

The most versatile system, attach fittings along the continuous slots to build virtually anything

2 products