Aluminum Dust Caps | McMaster-Carr

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

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EAR99

DFARS Specialty Metals

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Electrical Connector Component

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Maximum Pressure @ Temperature

454 Products

Electrical Power, Networking, and Controlling

Electrical Connector Caps

Protect data connectors when not in use

21 products

Electrical Enclosure Plugs

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

6 products

Fluid Handling

Hose Fittings

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

26 products

Hose End Caps

Cover the ends of hose to keep out dirt and debris

58 products

Hose End Plugs

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

3 products

Pipe and Fittings

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

131 products

Tube and Tube Fittings

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

10 products

Breather Vents

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

4 products

Bore Sealing Plugs

Permanently seal unthreaded holes in pneumatic and hydraulic components

43 products

Building and Machinery Hardware

Protective Caps

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

32 products

Protective Plugs

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

25 products

Safety Equipment

Fire Hydrant Caps

Pair with a hook-style spanner wrench to quickly cover and uncover fire hydrants

1 product

Fabricating and Machining

Fixture Plate Plugs

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

2 products

Fastening and Joining

Standoff Caps

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

1 product