Thread Repair | McMaster-Carr

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4,408 Products

Fastening and Joining

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

Socket Nuts

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

Flange Nuts

The flange distributes pressure, so you don't need a washer

Fabricating and Machining

Dies

Cut or restore external threads on fasteners, pipe, or conduit

Die Wrenches

Grip dies so you can turn them by hand

Die Adapters

Convert round dies to hex dies for use with conventional wrenches

Taps

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

Tap, Die, and Thread File Kits

Tap, Die, and Thread File Kits

Repair internal and external threads in a range of sizes

Thread Repair Tools

Thread Repair Tools

Restore lengths of rusted and damaged threads on screws, pipe, or conduit

Thread-Repairing Files

Thread-Repairing Files

Spot fix rusted and damaged threads along screws, pipe, or conduit

Tap, Die, and Drill Bit Kits

Tap, Die, and Drill Bit Kits

Cut and repair internal and external threads and drill holes in many different sizes

Tap and Die Kits

Tap and Die Kits

Cut and repair internal and external threads in many sizes

Pipe Threader Adapters

Pipe Threader Adapters

Pair with pipe threaders to cut pipe and conduit of different sizes

Pipe Threaders

Cut external threads in pipe and conduit with ratcheting action or electric power

Pipe Threader Accessories and Replacement Parts

Pipe Threader Accessories and Replacement Parts

Add or replace power drives, die sets, and other parts on Ridgid pipe threaders

Pipe Threader Adapter Accessories and Replacement Parts

Pipe Threader Adapter Accessories and Replacement Parts

Add or replace drive adapters and other parts on Ridgid pipe threader adapters

Pipe Threader Die Heads

Pipe Threader Die Heads

Attach to your Ridgid ratcheting or electric threader to cut external pipe and conduit threads

Pipe Threader Die Head Wrenches

Pipe Threader Die Head Wrenches

Pair with a Ridgid die head and dies to cut pipe and conduit threads

Pipe Threader Dies

Pipe Threader Dies

Install in the die head on your Ridgid pipe threader to cut external pipe and conduit threads

Tap and Die Wrench Kits

Tap and Die Wrench Kits

Switch between internal and external threading with interchangeable tap and die adapters

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