Threaded Inserts | McMaster-Carr

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Unified Standard Class 1B

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6,163 Products

Fastening and Joining

Threaded Inserts

Create new threads or repair stripped threads

3,056 products

Rivet Nuts

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

488 products

Press-Fit Nuts

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

455 products

Screw-Mount Nuts

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

27 products

Weld Nuts

Weld to metal surfaces to add permanent threads

589 products

Adhesive-Mount Nuts

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

166 products

Clip-On Nuts

Slide onto the edge of thin panels to create a fastening point

143 products

Snap-In Nuts

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

100 products

Rivet-Mount Nuts

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

41 products

Anchors

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

172 products

Socket Nuts

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

65 products

Threaded Insert Installation Tools

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

424 products

Heat-Set Insert Tips

Attach to soldering irons to heat inserts for installing them in or removing them from plastic parts

28 products

Threaded Insert Removal Tools

Turn counterclockwise to extract helical inserts

52 products

Press-Fit Nut Installation Tools

Everything you need to install press-fit nuts by hand

2 products

Anchor Installation Tools

Drive with a hammer to expand and secure anchors in place

20 products

Snap-In Nut Tools

Compress the legs of snap-in nuts so they're easy to install and remove

3 products

Building and Machinery Hardware

Leveling Mount Inserts

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

113 products

Leveling Mounts

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

10 products

Measuring and Inspecting

Plug Gauges

Verify the diameter or threads of machined holes in finished parts; also called pin gauges

32 products