Steel Tube Caps | McMaster-Carr

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Base Material

3,752 Products

Fluid Handling

Tube End Caps

Cover the ends of tube to keep out dirt and debris

259 products

Tube End Plugs

Insert into the ends of tube to keep out dirt and debris

83 products

Pipe Caps

Cover the ends of pipe to keep out dirt and debris

362 products

Pipe Plugs

Insert into the ends of pipe to keep out dirt and debris

841 products

Pipe Flanges

Create an access point in a line by bolting two same-size flanges together with a gasket

908 products

Hose and Hose Fittings

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

159 products

Bore Sealing Plugs

Permanently seal unthreaded holes in pneumatic and hydraulic components

65 products

Building and Machinery Hardware

Protective Plugs

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

173 products

Protective Caps

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

52 products

Leveling Mount Inserts

Slip onto equipment and furniture to add threaded-stud leveling feet

36 products

Fastening and Joining

Retaining Rings

Hold components on a shaft

25 products

Quick-Release Pin Retaining Caps

Hold quick-release pins in holes that are oversized or out of round

23 products

Quick-Release Pin Receptacles

Secure quick-release pins when you don’t have a through hole

35 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

Facility and Grounds Maintenance

Rebar Caps

Brightly colored to alert workers to exposed rebar and pipe

2 products

Electrical

Terminal Covers

Block out dirt and corrosion to protect battery terminals

2 products