1 1/4"-12 Inserts | McMaster-Carr

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Unified Standard Class 2B

Unified Standard Class 3B

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DFARS Specialty Metals

Helical Insert Type

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External Locking Type

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58 Products

Fastening and Joining

Threaded Inserts

Create new threads or repair stripped threads

28 products

Weld Nuts

Weld to metal surfaces to add permanent threads

4 products

Threaded Insert Removal Tools

Turn counterclockwise to extract helical inserts

2 products

Threaded Insert Installation Tools

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

10 products

Building and Machinery Hardware

Protective Plugs

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

1 product

Protective Caps

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

1 product

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

3 products

Fabricating and Machining

Taps

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

2 products

Material Handling

Hitch Balls

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

1 product

Hitch Inserts

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

4 products