Tool Bits | McMaster-Carr

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System of Measurement

Material

Drill Bit Size

Overall Length

Number of Flutes

Mill Diameter

Shank Diameter

Finish

Aluminum Chromium Nitride (AlCrN) Coated

Aluminum Non-Ferrous (ANF) Coated

Aluminum Oxide Coated

Aluminum Titanium Chromium Nitride (AlTiCrN) Coated

Aluminum Titanium Nitride (AlTiN) Coated

Chromium Carbide (CrC) Coated

Diamond Coated

Diamondlike Carbon (DLC) Coated

Galvanized

Gold Oxide

Magnesium Phosphate Coated

Manganese Phosphate Coated

Length

Thread Size

Cut Style

Sold As

Shape

Diameter

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

REACH

RoHS

Compliant with Exemptions

Not Compliant

DFARS Specialty Metals

Length Class

Export Control Classification Number (ECCN)

Flute Type

Length of Cut

Decimal Size Equivalent

Cut Type

Along-the-Length Turning

38,836 Products

Fabricating and Machining

Lathe Tools

Shape workpieces as they rotate on a lathe

864 products

Lathe Tool Blanks

Machine custom lathe tool bits

48 products

Lathe Tool Inserts

Pair with lathes to add cuts and grooves to workpieces

1,838 products

Lathe Tool Insert Holders

Secure inserts within lathes to add cuts and grooves to workpieces

429 products

Cutoff Blades

Separate a finished part from a workpiece; also known as parting blades

52 products

Drill Bits

Create holes in metal, wood, plastic, concrete, and more

8,060 products

Countersink Drill Bits

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

17 products

Plug Cutters

Form wood plugs to conceal fastener heads in counterbored holes

8 products

Drill Bit Shank Adapters

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

21 products

Drill Rig Thread Adapters

Change thread sizes on bits to use them in drill rigs

1 product

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

15 products

Reamer Drill Bits

Drill and finish holes in one pass

48 products

Drill Bit Extensions

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

121 products

Hollow-Core Cutters

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

206 products

Drill/Screwdriver Bits

Quickly change between drilling countersunk holes and driving screws

6 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 Taps

Drill and thread holes with the same bit

111 products

End Mills

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

7,705 products

End Mill Inserts

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

67 products

End Mill Insert Holders

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

101 products

Fly Cutters

Machine wide cuts on flat surfaces and leave a smoother finish than face mills

21 products

Face Mills

Flatten and smooth the surface of wide workpieces in high-speed, high-volume applications

169 products

Face Mill Inserts

Pair with face milling insert holders to create custom face mills

63 products

Face Mill Insert Holders

Pair with face milling inserts to create custom face mills

35 products

Gear Cutters

Mill spur gears with a 14 1/2° pressure angle

96 products

Countersinks

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

1,692 products

Center Drills

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

358 products

Counterbores

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

422 products

Counterbore Insert Holders

Pair with inserts to create flat-bottom holes

14 products

Spiral Saw Bits

Replace the bit on your RotoZip spiral saw

6 products

Hole Saw Arbors

Secure a hole saw to a drill or drill press

25 products

Hole Saw Slug Removers

Push or pull material out of hole saws to prevent binding

1 product

Hole Saws

Connect to a drill or drill press to make circular cuts

648 products

Slitting Saws

Pair with an arbor to cut narrow slots in workpieces

184 products

Pipe Threader Accessories and Replacement Parts

Add or replace power drives, die sets, and other parts on Ridgid pipe threaders

25 products

Pipe Threaders

Cut external threads in pipe and conduit with ratcheting action or electric power

30 products

Pipe Threader Adapters

Pair with pipe threaders to cut pipe and conduit of different sizes

9 products

Pipe Threader Dies

Install in the die head on your Ridgid pipe threader to cut external pipe and conduit threads

75 products

Pipe Threader Die Heads

Attach to your Ridgid ratcheting or electric threader to cut external pipe and conduit threads

21 products

Pipe Threader Die Head Wrenches

Pair with a Ridgid die head and dies to cut pipe and conduit threads

8 products

Pipe Threader Adapter Accessories and Replacement Parts

Add or replace drive adapters and other parts on Ridgid pipe threader adapters

11 products

Tap, Die, and Thread File Sets

Repair internal and external threads in a range of sizes

1 product

Rotary Tool Accessory Kits

Complete a wide range of cutting, grinding, and sanding tasks with your rotary tool

10 products

Rotary Tool Router Bits

Pair with rotary tools for routing, inlaying, and mortising in wood and other soft materials

1 product

Rotary Tool Drywall Cutters

Pair with rotary tools to make controlled cuts in drywall, fiberglass, and laminate

1 product

Tap, Die, and Drill Bit Sets

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

1 product

Dies

Cut or restore external threads on fasteners, pipe, or conduit

770 products

Die Adapters

Convert round dies to hex dies for use with conventional wrenches

5 products

Die Wrenches

Grip dies so you can turn them by hand

12 products

Rotary Tool Buffing and Polishing Kits

Buff, polish, and clean with rotary tools

1 product

Taps

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

3,391 products

Tap Wrenches

Pair with square-shank taps to turn them by hand

57 products

Rotary Tool Grinding Bits

Pair with rotary tools to sharpen, debur, and grind metal surfaces

10 products

Tap Holders

Work like sockets to connect taps to ratchet wrenches

17 products

Tap and Drill Bit Sets

Drill holes and cut internal threads in a variety of sizes

16 products

Tap Extractors

Grip the flutes on a broken tap to remove it without damaging the surrounding threads

52 products

Tap Extensions

Extend the length of your tap to cut in hard-to-reach areas

15 products

Rotary Tool Chucks

Quickly swap accessories in and out of your rotary tool

1 product

Tap and Die Wrench Sets

Switch between internal and external threading with interchangeable tap and die adapters

4 products

Tap and Die Sets

Cut and repair internal and external threads in many sizes

15 products

Rotary Tool Arbors

Attach cutoff wheels to grinders; also known as mandrels

2 products

Rotary Tool Cutoff Wheels

Replace the cutoff wheel on your Dremel rotary tool

34 products

Thread Mills

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

29 products

Thread Repair Tools

Restore lengths of rusted and damaged threads on screws, pipe, or conduit

27 products

Rotary Tool Blades

Replace the blade on your Dremel rotary tool

33 products

Tapped Hole Chip Retrievers

Insert into a tapped hole and pull out to remove chips

2 products

Thread-Repairing Files

Spot fix rusted and damaged threads along screws, pipe, or conduit

16 products

Rotary Tool Sanding Sleeves

Pair with rotary tools to smooth wood, fiberglass, and rubber or remove rust from metal

1 product

Chisel Bits

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

133 products

Burs

Cut excess material to smooth surfaces and holes using a rotary power tool like a die grinder

1,047 products

Flap Wheels

Create a uniform finish on flat and curved surfaces without gouging them

477 products

Grinding Bits

Pair with grinders for light material removal and precision grinding

565 products

Router Bits

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

545 products

Hollow-Core Cutter Arbor Adapters

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

3 products

Polisher Arbor Extensions

Lengthen your polisher's reach to access deep grooves and tight spots

1 product

Wheel Arbors

Attach abrasive wheels to hand-held drills and die grinders; also known as mandrels

31 products

Hole Saw Pilots

Center your hole saw when enlarging existing holes

2 products

Drill Chuck Adapters

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

2 products

Grinding Bit Arbors

Attach grinding bits to tools and switch bits without removing the arbor; also known as mandrels

3 products

Wheel Brush Arbors

Mount wheel brushes with an arbor hole to hand-held drills and die grinders; also known as mandrels

6 products

Cartridge Sanding Roll Arbors

Connect cartridge sanding rolls to hand-held drills and die grinders

22 products

Flap Wheel Arbors

Attach flap wheels to tools that accept a shank; also known as mandrels

7 products

Grinding Cone Arbors

Connect grinding cones to hand-held drills and die grinders; also known as mandrels

1 product

Deburring Tool Holders

Deburr using your CNC machine without complex programming

5 products

Tap Collets

Hold your tap firmly in a collet chuck or tap holder to create internal threads in workpieces

84 products

Tap Drivers

Attach taps to drill presses or milling machines that have a Morse taper spindle

19 products

Lathe Tap and Die Holders

Insert into the Morse taper tailstock on a lathe to drive a tap or die

22 products

Polishing Bobs

Attach to a drill or grinder to polish small and hard-to-reach areas

225 products

Sanding Bits

Smooth out small, recessed, and hard-to-reach areas, and also remove paint and rust

210 products

Bevelers

Create smooth, beveled edges on flat plates or plastic pipe and tubing

14 products

Buffing Kits

Everything you need to remove scratches and surface imperfections with a buffer or polisher

18 products

Beveler Adapters

Pair with cordless grinders to bevel smooth edges on plastic pipe and tubing

5 products

Sanding Drum and Sleeve Kits

Assortments include a variety of sanding drums and sleeves to shape and deburr internal surfaces

9 products

Backup Pads

Attach discs to power tools and reinforce the discs

4 products

Buffing and Polishing Wheels

Remove surface imperfections to achieve a precise, flat finish

164 products

Rotary Sanding Pad Arbors

Connect rotary sanding pads to hand-held drills and die grinders

14 products

Buffing and Polishing Wheel Spindles

Mount wheels to your tool’s shaft, collet, or drill chuck

12 products

Sanding Sleeves

Use with grinders to shape, deburr, and sand edges and internal surfaces

312 products

Sanding Sleeve Drums

Convert grinders or hand-held power tools into sanding tools

83 products

Cartridge Sanding Rolls

As the outer sanding surface wears away, new abrasive is exposed

125 products

Rotary Sanding Pads

Reach into pipes, tubes, corners, and slots to smooth their surfaces and remove paint and rust

51 products

Buffing and Polishing Applicator Bonnets

Apply waxes and polishing compounds before buffing and polishing

1 product

Buffing and Polishing Pads

Remove imperfections and apply protective coatings on delicate surfaces

38 products

Vises

Secure workpieces in place

83 products

Knurls

Pair with a knurling tool to add patterns to workpieces for a better grip

14 products

Threaded Rod Cutters

Cut rods and bolts while leaving their threads intact

4 products

Fixture Clamps

Secure your workpiece to a fixture table so it won't move during machining

6 products

Tube Brushes

Remove contaminants from tubes, pipes, and holes

561 products

Cup and End Brushes

Attach to a power tool to clean flat, curved, and irregular surfaces

249 products

Wheel Brushes

Bristles on the edge of the wheel clean, sand, and debur targeted areas

85 products

Fastening and Joining

Screwdriver Bits

Pair with drivers to turn screws

989 products

Torque Screwdrivers

Apply precise torque as you fasten screws to prevent overtightening

48 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

Nutdriver Bits

Pair with nutdrivers to turn hex nuts and cap screws

93 products

Bit Adapters

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

66 products

Screwdrivers

Tighten and loosen screws

52 products

One-Way Screw Remover Bits

Use with a nutdriver to loosen one-way screws

7 products

Eyebolt and Hook Driver Bits

Install and remove eyebolts and screw-in hooks

4 products

Wood Screw Threaded Stud Driver Bits

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

3 products

Hanger Bolt Driver Bits

Turn flat-end bolts and screws

4 products

Threaded Rod and Stud Driver Bits

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

2 products

T-Handle Keys

To turn fasteners in hard-to-reach spots, there's a long shaft and a grip for your whole hand

74 products

Screwdriver/Nutdrivers

Quickly switch between driving screws and driving nuts

9 products

Bit Sockets

Turn fasteners with an internal drive style without slipping and damaging the drive

1,049 products

Socket Adapters

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

210 products

Socket Bits

Switch out worn or damaged bits instead of replacing your entire bit socket

37 products

Socket Extensions

Lengthen sockets to turn hard-to-reach fasteners

191 products

Rivet Tools

Install and remove blind, solid, hollow, and other types of rivets

6 products

Screw, Pipe, and Stud Extractors

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

7 products

Pin Removal Punches

Strike with a hammer to loosen and remove pins and rivets

7 products

Raw Materials

Steel

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

2,335 products

Measuring and Inspecting

Rivet Hole Locators

Mark even spacing for rivets and other fasteners before you drill

1 product

Fluid Handling

Pressurized Pipe Tapping Kits

Include the tools you need to add a new line without having to shut down your piping system

6 products

Containers, Storage, and Furniture

Machine Tool Workbench Drawers

Mount under a workbench or shelf to store bits in labeled compartments

1 product

Workbench Drawers

Mount or stack under workbenches to store papers, small parts, and tools

1 product

Bit Organizers

Store and organize several sizes and styles of bits

6 products

Tap and Drill Bit Stands

Organize taps and drill bits by size

35 products

Drill Bit Pouches

Store and carry drill bits for easy access

4 products

Bur Containers

Store and organize burs in fabric pouches, plastic cases, or wood boxes

11 products

Machine Tool Cabinets

Organize and store taps, drill bits, and end mills in labeled compartments

16 products

Building and Machinery Hardware

T-Slotted Framing and Fittings

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

13 products