2 Plugs | McMaster-Carr

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515 Products

Fluid Handling

Pipe and Fittings

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

200 products

Hose Fittings

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

77 products

Tube Fittings

Make threaded, push to connect, barbed, and other types of connections between lengths of tube

2 products

Expansion Plugs

Seal pipe and tubing lines when checking for leaks

25 products

Breather Vents

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

10 products

Sights

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

16 products

Liquid-Level Gauges

Monitor fluid levels in containers

8 products

Heating Elements

Turn electrical current into heat

88 products

Building and Machinery Hardware

Protective Plugs

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

8 products

Protective Caps

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

9 products

Slip-On Framing End Caps

Cover the rough ends of slip-on framing rails for a finished look

4 products

Grommets

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

3 products

Containers, Storage, and Furniture

Drum Plug Adapters

Screw into plastic drum openings to replace threads that can become damaged with frequent use

1 product

Drum Plugs

Seal drum lid openings

12 products

Drum Plug Caps

Access inside drums to fill them

2 products

Drum Locks

Secure drum lids and openings to prevent tampering

1 product

Electrical Power, Networking, and Controlling

Electrical Enclosure Plugs

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

1 product

Cord Grips

Securely connect cords to enclosures while sealing out dirt and moisture

35 products

Facility and Grounds Maintenance

Floor Drain Trap Seals

Stop sewer gases from escaping through rarely used floor drains if the P-trap dries out

1 product

Drain Check Valves

Prevent water damage by placing into floor drains to stop sewer back-ups

1 product

Drain Cleanouts

Create an access point to inspect and clean floor drain pipelines

1 product

Sink Drains

Empty liquids from sinks into sewer lines

1 product

Sealing

Drum Plug Gaskets

Form a tighter seal in drum openings than with a drum plug alone

3 products

Measuring and Inspecting

Plug Gauges

Verify the diameter or threads of machined holes in finished parts; also called pin gauges

2 products