Stainless Steel Inserts | McMaster-Carr

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Unified Standard Class 1A

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Compliant

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9,170 Products

Fastening and Joining

Threaded Inserts

Create new threads or repair stripped threads

1,670 products

Press-Fit Nuts

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

284 products

Rivet Nuts

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

104 products

Adhesive-Mount Nuts

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

119 products

Weld Nuts

Weld to metal surfaces to add permanent threads

108 products

Rivet-Mount Nuts

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

20 products

Snap-In Nuts

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

21 products

Quick-Release Pin Receptacles

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

35 products

Quick-Release Pin Retaining Caps

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

23 products

Binding Barrel Posts and Screws

Thread together for a low-profile fastener

274 products

Binding Barrel Posts

Pair with a cap or screw to create a custom low-profile fastener

173 products

Binding Barrel Extensions

Add length to a binding barrel

48 products

Binding Barrel Screws

Pair with a binding barrel post to create a custom low-profile fastener

7 products

Studs

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

295 products

Socket Nuts

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

29 products

Single-End Studs

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

137 products

Washers

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

1,411 products

Anchors

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

256 products

Shims

Align and space components on shafts, or level machinery, cabinets, and doors

2,150 products

Standoff Caps

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

43 products

Retaining Rings

Hold components on a shaft

Pair with drivers to turn screws

26 products

Building and Machinery Hardware

Leveling Mounts

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

524 products

Vibration-Damping Mounts

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

94 products

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

91 products

Grommets

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

32 products

T-Slotted Framing and Fittings

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

25 products

Strut Channel Framing and Fittings

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

66 products

Protective Plugs

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

70 products

Protective Caps

Protect just about anything, including pipe, flanges, screws, and posts

20 products

Fluid Handling

Bore Sealing Plugs

Permanently seal unthreaded holes in pneumatic and hydraulic components

51 products

Tube and Tube Fittings

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

21 products

Hose and Hose Fittings

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

101 products

Power Transmission

Rod Ends

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

6 products

Rod End Inserts

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

6 products

Fabricating and Machining

T-Slot Nuts

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

47 products

Fixture Clamps

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

27 products

Material Handling

Hitch Balls

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

3 products

Hitch Pins

Secure hitch inserts to hitch receivers for towing

4 products

Hitch Inserts

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

1 product