Metal Drills | McMaster-Carr

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Drill Bit Size

Mill Diameter

Number of Flutes

Material

Overall Length

Cut Style

Finish

Aluminum Chromium Nitride (AlCrN) Coated

Aluminum Non-Ferrous (ANF) Coated

Aluminum Titanium Chromium Nitride (AlTiCrN) Coated

Aluminum Titanium Nitride (AlTiN) Coated

Diamondlike Carbon (DLC) Coated

Gold Oxide

Nonstick Coated

Powder Coated

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Aluminum Oxygen Nitride (TiAlON) Coated

Titanium Aluminum Silicon Nitride (TiAlSiN) Coated

Titanium Carbon Nitride (TiCN) Coated

Titanium Diboride (TiB₂) Coated

Length Class

Shank Type

Shank Diameter

Decimal Size Equivalent

Length of Cut

Drill Bit Point Type

Shank Size

Flute Type

Sold As

Maximum Drilling Depth

Point Angle

Length

RoHS

Compliant with Exemptions

Not Compliant

Export Control Classification Number (ECCN)

EAR99

REACH

Compliant

Not Compliant

DFARS Specialty Metals

Exempt

Number of Milling Ends

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17,888 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

Carbide Drill Bits for Hardened Steel

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

190 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

Expanded-Shank Carbide Drill Bits

Make small holes using standard-size tools

254 products

High-Speed Steel Step Drill Bits

Simplify jobs by drilling multiple hole sizes using a single bit

30 products

Carbide-Tipped Drill Bits

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

333 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

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

244 products

Carbide Drill Bits for Carbon Fiber, Fiberglass, and Graphite

Drill abrasive materials cleanly

170 products

Left-Hand High-Speed Steel Drill Bits

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

148 products

High-Speed Steel Drill Bits for Plastic

Penetrate gradually to prevent cracking and chipping

116 products

Hole-Starting Carbide Drill Bits

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

89 products

Carbide-Tipped Drill Bits for Hardened Steel

Straight flutes withstand the heavy pressure needed to penetrate hardened steel

42 products

Drill Bits for Paper and Fabric

Razor-sharp cutting for binding documents and sample swatches

7 products

Spot-Weld-Removal High-Speed Steel Drill Bits

Separate metal panels without drilling all the way through them

7 products

Carbide Drill Bits

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

477 products

Reduced-Shank Cobalt Steel Drill Bits

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

82 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

Hole-Starting Cobalt Steel Drill Bits

Create an accurate starting place for a precise final hole

26 products

Drill Bits for Wood

Make rough holes in wood

23 products

Reduced-Shank Carbide-Tipped Drill Bits

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

20 products

Steel Precise-Cut Drill Bits for Wood

Cut accurate straight and overlapping holes, even across the grain

7 products

Nonsparking Drill Bits

Drill safely in flammable environments

4 products

Chip-Clearing High-Speed Steel Drill Bits

Prevent clogs and dissipate heat when drilling most metals

476 products

Carbide-Tipped Drill Bits for Masonry and Concrete

Crush tough materials to make holes in masonry

297 products

Short-Flute High-Speed Steel Drill Bits

The rigidity of short-length bits without sacrificing reach

180 products

Short-Flute Cobalt Steel Drill Bits

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

159 products

Smooth-Finish Carbide Drill Bits

More cutting edges for a consistent finish

96 products

Short-Flute Carbide-Tipped Drill Bits

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

89 products

Chip-Clearing Carbide Drill Bits

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

80 products

Tapping Screw Installation Drill Bits for Masonry and Concrete

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

54 products

Coolant-Fed Carbide Drill Bits

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

50 products

Coolant-Fed Carbide-Tipped Drill Bits

Coolant flows through the bit to reduce heat and evacuate chips

50 products

High-Speed Steel Precise-Cut Drill Bits for Wood

Point stays sharp longer to cut accurate straight and overlapping holes

37 products

Rebar-Cutting Carbide-Tipped Drill Bits

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

36 products

Chip-Clearing Drill Bits for Wood

Prevent clogs that wear the bit and slow down drilling

32 products

Quick-Change Hex High-Speed Steel Drill Bits

Save time when you need to change bits frequently

30 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

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

Aggressively cut difficult-to-machine metals without clogging

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

Carbide-Insert Drill Bits

Once the cutting edges wear down, just change the inserts

70 products

Smooth-Finish Drill Bits for Wood

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

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

Rebar-Cutting Core Drill Bits for Concrete

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

21 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

Carbide-Tipped Core Drill Bits for Masonry and Concrete

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

23 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 Glass and Ceramic

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

19 products

High-Speed Steel Drill Bits for Sheet Metal

Make shallow cuts without snagging and deforming thin metal and tubing

17 products

Carbide-Tipped Smooth-Finish Drill Bits for Wood

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

18 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

Precise-Cut High-Speed Steel Drill Bits

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

11 products

Carbide-Tipped Drill Bits for Glass and Ceramic

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

10 products

Dust-Collecting Carbide-Tipped Drill Bits for Masonry and Concrete

Connect to a vacuum system and suck up dust while you drill

9 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

High-Speed Steel Drill Bits for Wire Installation

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

8 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

Carbide-Tipped Drill Bits for Stone

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

6 products

Carbide-Tipped Drill Bits for Wire Installation

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

6 products

Hole-Enlarging Reduced-Shank Drill Bits

An alternative to reamers for enlarging an existing drilled hole

6 products

Multidiameter High-Speed Steel Step Drill Bits

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

5 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

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

Add masonry drilling to the jobs your impact driver can do

3 products

Adjustable-Blade Drill Bits for Wood

Bore a variety of hole sizes with one bit

2 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

Hole-Enlarging Reduced-Shank Drill Bit Sets

An alternative to reamers for enlarging an existing drilled hole

1 product

Reduced-Shank High-Speed Steel Drill Bit Sets

Make large holes using standard-size tools

10 products

Step Drill High-Speed Steel Bit Sets

Simplify jobs by drilling multiple hole sizes using a single bit

3 products

Cobalt Steel Drill Bit Sets

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

21 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

6 products

Left-Hand High-Speed Steel Drill Bit Sets

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

6 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

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

Chip-Clearing High-Speed Steel Drill Bit Sets

Prevent clogs and dissipate heat when drilling most metals

3 products

Expanded-Shank Carbide Drill Bit Sets

Make small holes using standard-size tools

3 products

Quick-Change Hex High-Speed Steel Drill Bit Sets

Save time when you need to change bits frequently

3 products

Carbide-Tipped Drill Bit Sets

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

2 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

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

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

High-Speed Steel Drill Bit Sets for Plastic

Penetrate gradually to prevent cracking and chipping

1 product

Precise-Cut Drill Bit Sets for Wood

Cut accurate straight and overlapping holes, even across the grain

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

Short-Flute Cobalt Steel Drill Bit Sets

The rigidity of short-length bits without sacrificing reach

1 product

Other Products

Drill Stops

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

145 products

Counterbores

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

422 products

End Mills

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

7,779 products

Drill Taps

Drill and thread holes with the same bit

111 products

Tap, Die, and Drill Bit Sets

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

1 product

Hollow-Core Cutters

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

206 products

Hollow-Core Cutter Arbor Adapters

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

3 products

Router Bits

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

538 products

Chisel Bits

Pair with powered hammers or needle scalers to chip material off of workpieces

133 products

Drill Bit Extensions

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

121 products

Reamer Drill Bits

Drill and finish holes in one pass

48 products

End Mill Insert Holders

Pair with inserts to create end mills that have a replaceable cutting edge

47 products

End Mill Inserts

Replace the cutting edge on your end mill insert holder instead of the entire tool

42 products

Tap and Drill Bit Stands

Organize taps and drill bits by size

35 products

Thread Mills

Install in a CNC machine to cut a range of internal and external threads with a single tool

29 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 Shank Adapters

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

21 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 Guides

Drill precise holes without building a fixture

13 products

T-Slotted Framing and Fittings

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

13 products

Cabinets

Store objects on enclosed shelves

12 products

Counterbore Insert Holders

Pair with inserts to create flat-bottom holes

14 products

Plug Cutters

Form wood plugs to conceal fastener heads in counterbored holes

8 products

Drill Bit Pouches

Store and carry drill bits for easy access

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

Drill Rig Thread Adapters

Change thread sizes on bits to use them in drill rigs

1 product

Screw Hole Starters

Mark, start, and thread screw holes into wood and other nonmetal materials

1 product