Tool Bits | McMaster-Carr

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Beveler Adapters

Buffing and Polishing Applicator Bonnets

Buffing and Polishing Pads

Buffing and Polishing Wheel Spindles

Buffing and Polishing Wheels

Cartridge Sanding Roll Arbors

Cartridge Sanding Rolls

Counterbore Drill Bits

For Use On

Aluminum Honeycomb

Aluminum Laminate

System of Measurement

Material

Aluminum Bronze

Carbide-Tipped Steel

Cubic Boron Nitride

Drill Bit Size

Overall Length

15/16" to 1 1/8"

31/32" to 3 1/16"

Number of Flutes

Length

15/16" to 1 1/8"

31/32" to 3 1/16"

Shank Diameter

Mill 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

Black/Gold Oxide

Chromium Carbide (CrC) Coated

Diamondlike Carbon (DLC) Coated

Magnesium Phosphate Coated

Manganese Phosphate Coated

Thread Size

Sold As

Flute Type

Diamond Pattern

Shape

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

RoHS

Compliant with Exemptions

DFARS Specialty Metals

Export Control Classification Number (ECCN)

REACH

Diameter

Length Class

Reamer Diameter

Length of Cut

Decimal Size Equivalent

How can we improve?

42,484 Products

Fabricating and Machining

Lathe Tools

Shape workpieces as they rotate on a lathe

Lathe Tool Blanks

Lathe Tool Blanks

Machine custom lathe tool bits

Lathe Tool Inserts

Lathe Tool Inserts

Pair with lathes to add cuts and grooves to workpieces

Cutoff Blades

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

Lathe Tool Insert Holders

Lathe Tool Insert Holders

Secure inserts within lathes to add cuts and grooves to workpieces

Drill Bits

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

Drill Bit Shank Adapters

Drill Bit Shank Adapters

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

Hollow-Core Cutters

Hollow-Core Cutters

Cut burr-free holes by only cutting the outside edge of a hole

Drill Stops

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

Drill Bit Guides

Drill Bit Guides

Drill precise holes without building a fixture

Drill/Screwdriver Bits

Drill/Screwdriver Bits

Quickly change between drilling countersunk holes and driving screws

Reamer Drill Bits

Reamer Drill Bits

Drill and finish holes in one pass

Countersink Drill Bits

Countersink Drill Bits

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

Plug Cutters

Form wood plugs to conceal fastener heads in counterbored holes

Drill Bit Extensions

Drill Bit Extensions

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

Drill Rig Thread Adapters

Drill Rig Thread Adapters

Change thread sizes on bits to use them in drill rigs

Magnetic-Base Drill Chucks and Adapters

Magnetic-Base Drill Chucks and Adapters

Outfit your magnetic-base drill to work with drill bits and other cutting tools

Counterbore Drill Bits

Counterbore Drill Bits

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

Drill Taps

Drill and thread holes with the same bit

End Mills

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

Fly Cutters

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

Face Mills

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

End Mill Inserts

End Mill Inserts

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

Face Mill Inserts

Face Mill Inserts

Pair with face milling insert holders to create custom face mills

Gear Cutters

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

Face Mill Insert Holders

Face Mill Insert Holders

Pair with face milling inserts to create custom face mills

End Mill Insert Holders

End Mill Insert Holders

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

Countersinks

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

Counterbores

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

Center Drills

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

Counterbore Insert Holders

Counterbore Insert Holders

Pair with inserts to create flat-bottom holes

Tap, Die, and Drill Bit Sets

Tap, Die, and Drill Bit Sets

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

Tap, Die, and Thread File Sets

Tap, Die, and Thread File Sets

Repair internal and external threads in a range of sizes

Dies

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

Pipe Threader Accessories and Replacement Parts

Pipe Threader Accessories and Replacement Parts

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

Tap Wrenches

Pair with square-shank taps to turn them by hand

Tap and Drill Bit Sets

Tap and Drill Bit Sets

Drill holes and cut internal threads in a variety of sizes

Taps

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

Pipe Threaders

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

Pipe Threader Adapters

Pipe Threader Adapters

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

Tap and Die Wrench Sets

Tap and Die Wrench Sets

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

Tap and Die Sets

Tap and Die Sets

Cut and repair internal and external threads in many sizes

Pipe Threader Dies

Pipe Threader Dies

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

Pipe Threader Die Heads

Pipe Threader Die Heads

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

Pipe Threader Die Head Wrenches

Pipe Threader Die Head Wrenches

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

Thread Mills

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

Die Adapters

Convert round dies to hex dies for use with conventional wrenches

Tap Holders

Work like sockets to connect taps to ratchet wrenches

Thread Repair Tools

Thread Repair Tools

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

Die Wrenches

Grip dies so you can turn them by hand

Tap Extractors

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

Tap Extensions

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

Tapped Hole Chip Retrievers

Tapped Hole Chip Retrievers

Insert into a tapped hole and pull out to remove chips

Thread-Repairing Files

Thread-Repairing Files

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

Pipe Threader Adapter Accessories and Replacement Parts

Pipe Threader Adapter Accessories and Replacement Parts

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

Tap, Drill Bit, and Reamer Sets

Tap, Drill Bit, and Reamer Sets

The fastest way to prepare holes with a hand tool

Tapping Arms

The best tool for threading holes in small batches

Chisel Bits

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

Spiral Saw Bits

Spiral Saw Bits

Replace the bit on your RotoZip spiral saw

Rotary Tool Accessory Kits

Rotary Tool Accessory Kits

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

Rotary Tool Router Bits

Rotary Tool Router Bits

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

Rotary Tool Buffing and Polishing Kits

Rotary Tool Buffing and Polishing Kits

Buff, polish, and clean with rotary tools

Rotary Tool Cutoff Wheels

Rotary Tool Cutoff Wheels

Replace the cutoff wheel on your Dremel rotary tool

Rotary Tool Chucks

Rotary Tool Chucks

Quickly swap accessories in and out of your rotary tool

Rotary Tool Drywall Cutters

Rotary Tool Drywall Cutters

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

Rotary Tool Arbors

Rotary Tool Arbors

Attach cutoff wheels to grinders; also known as mandrels

Hole Saw Arbors

Hole Saw Arbors

Secure a hole saw to a drill or drill press

Hole Saw Slug Removers

Hole Saw Slug Removers

Push or pull material out of hole saws to prevent binding

Rotary Tool Grinding Bits

Rotary Tool Grinding Bits

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

Hole Saws

Connect to a drill or drill press to make circular cuts

Rotary Tool Blades

Rotary Tool Blades

Replace the blade on your Dremel rotary tool

Slitting Saws

Pair with an arbor to cut narrow slots in workpieces

Rotary Tool Sanding Sleeves

Rotary Tool Sanding Sleeves

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

Burs

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

Router Bits

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

Grinding Bits

Pair with grinders for light material removal and precision grinding

Flap Wheels

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

Hollow-Core Cutter Arbor Adapters

Hollow-Core Cutter Arbor Adapters

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

Polisher Arbor Extensions

Polisher Arbor Extensions

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

Wheel Arbors

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

Hole Saw Pilots

Hole Saw Pilots

Center your hole saw when enlarging existing holes

Drill Chuck Adapters

Drill Chuck Adapters

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

Grinding Bit Arbors

Grinding Bit Arbors

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

Wheel Brush Arbors

Wheel Brush Arbors

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

Drill Chucks

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

Cartridge Sanding Roll Arbors

Cartridge Sanding Roll Arbors

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

Flap Wheel Arbors

Flap Wheel Arbors

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

Grinding Cone Arbors

Grinding Cone Arbors

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

Deburring Tool Holders

Deburring Tool Holders

Deburr using your CNC machine without complex programming

Tap Collets

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

Tap Collet Holders

Tap Collet Holders

Hold tap collets on CNC machines

Tap Drivers

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

Lathe Tap and Die Holders

Lathe Tap and Die Holders

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

Polishing Bobs

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

Reamers

Finish holes to an exact size, correct misaligned holes, and remove burrs

Threaded Rod Cutters

Threaded Rod Cutters

Cut rods and bolts while leaving their threads intact

Sanding Sleeve Drums

Sanding Sleeve Drums

Convert grinders or hand-held power tools into sanding tools

Buffing Kits

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

Sanding Drum and Sleeve Kits

Sanding Drum and Sleeve Kits

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

Backup Pads

Attach discs to power tools and reinforce the discs

Buffing and Polishing Wheels

Buffing and Polishing Wheels

Remove surface imperfections to achieve a precise, flat finish

Rotary Sanding Pad Arbors

Rotary Sanding Pad Arbors

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

Buffing and Polishing Wheel Spindles

Buffing and Polishing Wheel Spindles

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

Sanding Bits

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

Sanding Sleeves

Sanding Sleeves

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

Cartridge Sanding Rolls

Cartridge Sanding Rolls

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

Rotary Sanding Pads

Rotary Sanding Pads

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

Buffing and Polishing Applicator Bonnets

Buffing and Polishing Applicator Bonnets

Apply waxes and polishing compounds before buffing and polishing

Buffing and Polishing Pads

Buffing and Polishing Pads

Remove imperfections and apply protective coatings on delicate surfaces

Beveler Adapters

Beveler Adapters

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

Knurls

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

Bevelers

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

Fixture Clamps

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

Tube Brushes

Remove contaminants from tubes, pipes, and holes

Cup and End Brushes

Cup and End Brushes

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

Wheel Brushes

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

Fastening and Joining

Screwdriver Bits

Screwdriver Bits

Pair with drivers to turn screws

Screwdrivers

Tighten and loosen screws

Torque Screwdrivers

Torque Screwdrivers

Apply precise torque as you fasten screws to prevent overtightening

Driver Shafts

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

Wing Nut Driver Bits

Wing Nut Driver Bits

Use with power tools to hold and turn wing nuts

Nutdriver Bits

Pair with nutdrivers to turn hex nuts and cap screws

Bit Adapters

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

One-Way Screw Remover Bits

One-Way Screw Remover Bits

Use with a nutdriver to loosen one-way screws

Eyebolt and Hook Driver Bits

Eyebolt and Hook Driver Bits

Install and remove eyebolts and screw-in hooks

Wood Screw Threaded Stud Driver Bits

Wood Screw Threaded Stud Driver Bits

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

Hanger Bolt Driver Bits

Hanger Bolt Driver Bits

Turn flat-end bolts and screws

Threaded Rod and Stud Driver Bits

Threaded Rod and Stud Driver Bits

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

T-Handle Keys

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

Driver Extension Adapters

Driver Extension Adapters

Create a tool that’s as long as you need to reach deeply recessed fasteners

Impact Driver Chucks

Impact Driver Chucks

Transform your impact driver into a high-torque cutting tool

Socket Bits

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

Socket Adapters

Socket Adapters

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

Bit Sockets

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

Socket Extensions

Socket Extensions

Lengthen sockets to turn hard-to-reach fasteners

Impact Wrench Chucks

Impact Wrench Chucks

Harness torque to cut and prepare holes faster than any other method

Rivet Tools

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

Screw, Pipe, and Stud Extractors

Screw, Pipe, and Stud Extractors

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

Pin Removal Punches

Pin Removal Punches

Strike with a hammer to loosen and remove pins and rivets

Raw Materials

Steel

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

Measuring and Inspecting

Rivet Hole Locators

Rivet Hole Locators

Mark even spacing for rivets and other fasteners before you drill

Containers, Storage, and Furniture

Workbench Drawers

Workbench Drawers

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

Cutting Tool Workbench Drawers

Cutting Tool Workbench Drawers

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

Bit Organizers

Store and organize several sizes and styles of bits

Tap and Drill Bit Stands

Tap and Drill Bit Stands

Organize taps and drill bits by size

Drill Bit Pouches

Drill Bit Pouches

Store and carry drill bits for easy access

Bur Organizers

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

Cutting Tool Cabinets

Cutting Tool Cabinets

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

Fluid Handling

Pressurized Pipe Tapping Kits

Pressurized Pipe Tapping Kits

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

Building and Machinery Hardware

T-Slotted Framing Drill Jigs

T-Slotted Framing Drill Jigs

Guide bits to drill straight, accurate holes in T-slotted rails

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)