5/16"-24 Inserts | McMaster-Carr

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275 Products

Fastening and Joining

Threaded Inserts

Create new threads or repair stripped threads

71 products

Rivet Nuts

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

5 products

Press-Fit Nuts

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

3 products

Rivet-Mount Nuts

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

4 products

Weld Nuts

Weld to metal surfaces to add permanent threads

17 products

Socket Nuts

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

2 products

Single-End Studs

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

13 products

Threaded Insert Installation Tools

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

34 products

Threaded Insert Removal Tools

Turn counterclockwise to extract helical inserts

Fabricating and Machining

Taps

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

3 products

Fixture Clamps

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

2 products

Building and Machinery Hardware

Protective Plugs

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

4 products

Protective Caps

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

3 products

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

20 products

Leveling Mounts

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

4 products

Vibration-Damping Mounts

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

4 products