Inserts | McMaster-Carr

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27,401 Products

Fastening and Joining

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

Rivet Nuts

Add threads to thin panels with access from only one side; also known as blind inserts

Press-Fit Nuts

Push into drilled or punched holes to add threads to thin panels

Screw-Mount Nuts

Screw-Mount Nuts

Mount with screws, rivets, and nails to add threads to a surface

Weld Nuts

Weld to metal surfaces to add permanent threads

Snap-In Nuts

Push into square holes in thin materials to add bolts for aligning off-center parts

Adhesive-Mount Nuts

Adhesive-Mount Nuts

Attach threads to material that’s too thin for a threaded insert

Tube-Connecting Nuts

Tube-Connecting Nuts

Push inside tubes to join them with a threaded stud instead of welding

Rivet-Mount Nuts

Rivet-Mount Nuts

Add threads in hard-to-reach areas and materials that are too thin to be tapped

Dowel Nuts

Form joints in blind holes in wood

Unthreaded Inserts

Unthreaded Inserts

Reinforce, align, and adjust joints as you tighten a fastener

Quick-Release Pin Receptacles

Quick-Release Pin Receptacles

Secure quick-release pins when you don’t have a through hole

Quick-Release Pin Retaining Caps

Quick-Release Pin Retaining Caps

Hold quick-release pins in holes that are oversized or out of round

Anchors

Secure anything from signs to heavy machinery in concrete, brick, and drywall

Socket Nuts

Install in recessed holes and tight spots where a wrench won’t fit; also known as Allen nuts

Binding Barrels and Screws

Binding Barrels and Screws

Thread together for a low-profile fastener

Studs

Press, weld, or screw in place to add a threaded fastening point

Joint Clamps for Wood

Joint Clamps for Wood

Make secure joints between boards, butcher blocks, and countertops

Wood Screws

Fasten material to wood or pieces of wood to each other

Washers

Nearly every size and shape imaginable, from flat washers to clipped to curved

Single-End Studs

Single-End Studs

Use the unthreaded end as a pivot point, hinge, shaft, or locator pin

Standoff Caps

Create a finished look on standoffs and protect them from dirt and debris

Shims

Level, align, and adjust spacing on fasteners, shafts, and machine components

Retaining Rings

Retaining Rings

Hold components on a shaft

Threaded Insert Tools

Threaded Insert Tools

Install or extract helical, key-locking, slotted-drive, and other threaded inserts

Push Nut Installation Tools

Push Nut Installation Tools

Press nuts and retaining rings onto threaded fasteners and shafts

Screwdriver Bits

Screwdriver Bits

Pair with drivers to turn screws

Rivet Nut Tools

Rivet Nut Tools

Install rivet nuts

Socket Inserts

Slip into sockets to keep fasteners from falling out

Anchor Installation Tools

Anchor Installation Tools

Drive with a hammer to expand and secure anchors in place

Fabricating and Machining

Lathe Tool Inserts

Lathe Tool Inserts

Pair with lathes to add cuts and grooves to workpieces

Lathe Tool Insert Holders

Lathe Tool Insert Holders

Secure inserts within lathes to add cuts and grooves to workpieces

Lathe Tools

Shape workpieces as they rotate on a lathe

Taps

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

End Mill Inserts

End Mill Inserts

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

End Mill Insert Holders

End Mill Insert Holders

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

Face Mill Inserts

Face Mill Inserts

Pair with face milling insert holders to create custom face mills

Face Mills

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

Face Mill Insert Holders

Face Mill Insert Holders

Pair with face milling inserts to create custom face mills

Fixture Plate Plugs

Fixture Plate Plugs

Keep chips and shavings from clogging or damaging unused holes on fixture plates in milling machines

T-Slot Nuts

Combine with setup studs or bolts to mount fixtures to machine tables

T-Slot Nut and Setup Stud Kits

T-Slot Nut and Setup Stud Kits

Mount fixtures of different sizes to your machine table

Drill Bit Inserts

Drill Bit Inserts

Pair with compatible drill bit bodies to precisely drill multiple holes

Drill Bits

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

Knurls

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

Clamps

Hold workpieces securely in place

Countersinks

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

Building and Machinery Hardware

Protective Caps

Protective Caps

Cover holes at the end of pipe, conduit, and fittings to keep out debris

Protective Plugs

Protective Plugs

Insert into holes in pipe, containers, panels, and parts to keep out debris

Leveling Mounts

Leveling Mounts

Level machines and workbenches on uneven surfaces, reduce vibration, and protect floors

Leveling Mount Inserts

Leveling Mount Inserts

Slip onto equipment and furniture to add threaded-stud leveling feet

Vibration-Damping Mounts

Vibration-Damping Mounts

Attach to machinery to reduce vibration and noise and extend service life

Protective Feet

Protective Feet

Add to furniture and light equipment to protect floors from scratches and wear

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

Grommets

Protect wire, cable, and cords from holes with sharp or rough edges

Surface Guards

Protect walls and other flat surfaces from impact

T-Slotted Framing and Fittings

T-Slotted Framing and Fittings

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

Strut Channel Framing and Fittings

Strut Channel Framing and Fittings

Secure fittings in the U-shaped channel to route conduit and pipe or build other structures

Locking-Slotted Framing and Fittings

Locking-Slotted Framing and Fittings

Make platforms, bases, and other structures that stand up to more movement than T-slotted framing

Material Handling

Caster Sockets

Mount on the inside corners of channel and other framing to attach stem casters

Hitch Inserts

Fit into hitch receivers and secure with a hitch pin to create a connection for towing

Hitch Balls

Mount to hitch inserts and use with hitch receivers and couplers to tow trailers

Hitch Pins

Secure hitch inserts to hitch receivers for towing

Hitch Receivers

Hitch Receivers

Use with hitch inserts and pins to create a complete hitch for towing

Shipping Box Liners

Shipping Box Liners

Line cardboard boxes to keep the items inside at a consistent temperature

Protective Shipping Box Inserts

Protective Shipping Box Inserts

Fit snugly around glass bottles to absorb shock better than bubble wrap and air pillows

Conveyor Guide Mounting Rod Caps

Conveyor Guide Mounting Rod Caps

Cover the ends of conveyor guide mounting rods for a finished look

Power Transmission

Rod End Inserts

Rod End Inserts

Attach to rod ends to increase the amount of misalignment they can handle

Rod Ends

Use with connecting rods to support loads and control steering, tensioning, or pivoting motion

Fluid Handling

Tube and Tube Fittings

Tube and Tube Fittings

Typically more flexible than pipe for carrying liquids and gases in short runs around equipment

Hose and Hose Fittings

Hose and Hose Fittings

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

Bore Sealing Plugs

Bore Sealing Plugs

Permanently seal unthreaded holes in pneumatic and hydraulic components

Safety Equipment

Bump Cap Inserts

Bump Cap Inserts

Tuck inside a baseball cap to protect your head from bumps and scrapes

Insoles

Slip into shoes to add padding or puncture protection

Electrical

Capacitor Boots

Capacitor Boots

Shield capacitors and wire connections to extend their service life and reduce accidental shocks

DIN Rail Caps

Guard the edges of DIN rail from damage and create a finished look

Data Port Locks

Data Port Locks

Block USB or Ethernet ports from unauthorized use

Outlet Strips

Plug in multiple devices to power them from a single outlet

Containers, Storage, and Furniture

Tank Liners

Protect tanks from harsh contents and then dispose for quick cleanup

Pail Liners

Protect pails from harsh contents and then dispose for quick cleanup

Drum Liners

Protect drums from contents and then dispose for quick cleanup

Stacking Caps and Targets

Stacking Caps and Targets

Turn the ends of posts into stackable shelving and rack systems

Communication

Tamper-Evident Seals

Tamper-Evident Seals

Secure hasps, latches, and other connections to visibly indicate tampering

Facility and Grounds Maintenance

Faucet Hole Covers

Faucet Hole Covers

Close off unused faucet holes intended for soap dispensers and side sprayers

Rebar Caps

Brightly colored to alert workers to exposed rebar and pipe

Heating, Ventilation, and Air Conditioning

Air Conditioner Service Valve Caps

Air Conditioner Service Valve Caps

Seal off AC service valves to prevent refrigerant from leaking out

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