Steel Dust Caps | McMaster-Carr

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U.S.–Mexico–Canada Agreement (USMCA) Qualifying

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3,095 Products

Fluid Handling

Hose Fittings

Create threaded, barbed, quick-disconnect, and other types of connections between lengths of hose

29 products

Hose End Caps

Cover the ends of hose to keep out dirt and debris

124 products

Hose End Plugs

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

6 products

Pipe and Fittings

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

1,362 products

Tube and Tube Fittings

Typically more flexible than pipe for carrying liquids and gases in short runs around equipment

344 products

Breather Vents

Maintain even pressure and vacuum as temperatures change by allowing airflow in tanks and enclosures

85 products

Bore Sealing Plugs

Permanently seal unthreaded holes in pneumatic and hydraulic components

89 products

Building and Machinery Hardware

Protective Caps

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

76 products

Protective Plugs

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

173 products

Electrical Power, Networking, and Controlling

Metric Circular Connector Caps

Keep metric circular connectors safe when they're not in use

4 products

Mini Connector Caps

Shield mini connectors when they're not in use

6 products

Electrical Enclosure Plugs

Block or seal holes in outlet boxes and enclosures to keep out debris, dust, and moisture

39 products

Safety Equipment

Bearing Guards

Shield bearings from dirt, and protect fingers and tools from moving parts

6 products

Fabricating and Machining

Fixture Plate Plugs

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

3 products

Fastening and Joining

Quick-Release Pin Receptacles

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

36 products

Quick-Release Pin Retaining Caps

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

23 products

Standoff Caps

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

64 products

Facility and Grounds Maintenance

Rebar Caps

Brightly colored to alert workers to exposed rebar and pipe

2 products