3 1/2 Plugs | McMaster-Carr

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Stainless Steel

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Stainless Steel

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24 Products

Fluid Handling

Pipe and Fittings

Pipe and Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases

Expansion Plugs

Expansion Plugs

Seal pipe and tubing lines when checking for leaks

Building and Machinery Hardware

Protective Plugs

Protective Plugs

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

Protective Caps

Protective Caps

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

Grommets

Protect wire, cable, and cords from holes with sharp or rough edges

Facility and Grounds Maintenance

Floor Drain Trap Seals

Floor Drain Trap Seals

Stop sewer gases from escaping through rarely used floor drains if the P-trap dries out

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