Thread Protectors | McMaster-Carr

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2,028 Products

Building and Machinery Hardware

Protective Caps

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

917 products

Protective Plugs

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

879 products

Material Handling

Mesh Sleeves

Stretch around items like shafts and threaded parts to shield them from scratching and chipping

23 products

Fabricating and Machining

Fixture Plate Plugs

Keep chips and shavings from clogging or damaging unused holes on fixture plates in milling machines

1 product

Fastening and Joining

Standoff Caps

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

66 products

Threaded Inserts

Create new threads or repair stripped threads

1 product

Press-Fit Nuts

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

2 products

Socket Head Screws

With a deeper drive than flat and rounded head screws, these withstand more torque for a tighter hold

35 products

Electrical

Heat-Shrink Tubing End Caps

Seal moisture out of crimped electrical connections

4 products

Facility and Grounds Maintenance

Rebar Caps

Brightly colored to alert workers to exposed rebar and pipe

4 products

Fluid Handling

Bore Sealing Plugs

Permanently seal unthreaded holes in pneumatic and hydraulic components

69 products