Steel Inserts | McMaster-Carr

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8,568 Products

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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

Taps

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

Press-Fit Nuts

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

All Results

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

Tube-Connecting Nuts

Tube-Connecting Nuts

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

Snap-In Nuts

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

Dowel Nuts

Form joints in blind holes in wood

Rivet-Mount Nuts

Rivet-Mount Nuts

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

Adhesive-Mount Nuts

Adhesive-Mount Nuts

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

Unthreaded Inserts

Unthreaded Inserts

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

Socket Nuts

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

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

Binding Barrels and Screws

Binding Barrels and Screws

Thread together for a low-profile fastener

Washers

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

Anchors

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

Single-End Studs

Single-End Studs

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

Retaining Rings

Retaining Rings

Hold components on a shaft

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

Screwdriver Bits

Screwdriver Bits

Pair with drivers to turn screws

Anchor Installation Tools

Anchor Installation Tools

Drive with a hammer to expand and secure anchors in place

Fabricating and Machining

Taps

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

Lathe Tool Insert Holders

Lathe Tool Insert Holders

Secure inserts within lathes to add cuts and grooves to workpieces

Lathe Tools

Remove material from workpieces as they rotate on a lathe

Lathe Tool Inserts

Lathe Tool Inserts

Pair with lathes to add cuts and grooves to workpieces

Knurls

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

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

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

End Mill Insert Holders

End Mill Insert Holders

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

Clamps

Hold workpieces securely in place

Drill Bits

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

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 Receivers

Hitch Receivers

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

Building and Machinery Hardware

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

Protective Plugs

Protective Plugs

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

Protective Caps

Protective Caps

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

Vibration-Damping Mounts

Vibration-Damping Mounts

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

Power Transmission

Rod End Inserts

Rod End Inserts

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

Fluid Handling

Hose and Hose Fittings

Hose and Hose Fittings

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

Containers, Storage, and Furniture

Stacking Caps and Targets

Stacking Caps and Targets

Turn the ends of posts into stackable shelving and rack systems

Electrical

Outlet Strips

Plug in multiple devices to power them from a single outlet

Facility and Grounds Maintenance

Faucet Hole Covers

Faucet Hole Covers

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

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