Aluminum Plugs | McMaster-Carr

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DFARS Specialty Metals

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1,558 Products

Fluid Handling

Pipe Plugs

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

96 products

Pipe Caps

Cover the ends of pipe to keep out dirt and debris

24 products

Pipe Flanges

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

11 products

Hose Fittings

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

251 products

Hose End Caps

Cover the ends of hose to keep out dirt and debris

58 products

Hose

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

98 products

Hose End Plugs

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

3 products

Tube End Plugs

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

6 products

Tube End Caps

Cover the ends of tube to keep out dirt and debris

4 products

Sights

Observe and monitor the contents of pipes, tanks, and other containers

20 products

Breather Vents

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

4 products

Corrosion-Inhibiting Rods and Pads

Protect tanks, water heaters, and heat exchangers from rust; also known as sacrificial anodes

4 products

Electrical

Electrical Enclosure Plugs

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

6 products

Outlet Boxes

House electrical components such as on-off switches, receptacles, and dimmer knobs

5 products

Cord Grips

Securely connect cords to enclosures while sealing out dirt and moisture

461 products

Electrical Connector Caps

Protect data connectors when not in use

21 products

Outlet Strips

Plug in multiple devices to power them from a single outlet

57 products

Wall Plates

Cover switches and outlets for a finished look or to close them off when not in use

12 products

Terminal Blocks

Mate with terminals to complete circuits in control panels, motors, and small machines

9 products

Wire and Cable Crimpers

Crimp connectors onto electrical wire or cable

7 products

Safety Equipment

Fire Hydrant Caps

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

1 product

Building and Machinery Hardware

Protective Plugs

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

25 products

Protective Caps

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

32 products

Slip-On Framing and Fittings

Insert rails into fittings and tighten screws to make guards, railings, and racks

9 products

Grommets

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

24 products

Fastening and Joining

Standoff Caps

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

1 product

Threaded Inserts

Create new threads or repair stripped threads

132 products

Drum Plug Wrenches

Install and remove screw-in drum plugs; also known as bung wrenches

2 products

Lubricating

Grease Fitting Manifolds

Lubricate multiple points with the same amount and type of grease using one grease fitting

3 products

Measuring and Inspecting

Humidity-Indicating Plugs

Monitor humidity in sealed containers without opening them, protecting the inside from contamination

6 products