Aluminum Dust Caps | McMaster-Carr

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401 Products

Electrical

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 End Caps

Cover the ends of hose to keep out dirt and debris

58 products

Hose Fittings

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

23 products

Pipe Caps

Cover the ends of pipe to keep out dirt and debris

24 products

Pipe Plugs

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

96 products

Pipe Flanges

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

11 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

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

Fastening and Joining

Standoff Caps

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

1 product

Safety Equipment

Fire Hydrant Caps

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

1 product