Well Plugs | McMaster-Carr

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982 Products

Fluid Handling

Expansion Plugs

Seal pipe and tubing lines when checking for leaks

338 products

Bore Sealing Plugs

Permanently seal unthreaded holes in pneumatic and hydraulic components

73 products

Building and Machinery Hardware

Protective Plugs

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

507 products

Containers, Storage, and Furniture

Drum Plugs

Seal drum lid openings

19 products

Facility and Grounds Maintenance

Sink Drain Stoppers

Plug drains to fill up sinks and tubs

5 products

Manhole Covers

Made of cast iron to handle high-volume foot and vehicle traffic.

1 product

Safety Equipment

Floor Drain Plugs

Prevent oil and other spills from going down your floor drain

3 products