Screw Plugs | McMaster-Carr

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Chicago Fire Department

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Acetic Acid (White Vinegar) (5% Concentration)

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

Yes

Export Control Classification Number (ECCN)

3,288 Products

Fluid Handling

Pipe and Pipe Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases through your facility

1,735 products

Hose Fittings

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

5 products

Breather Vents

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

79 products

Pressure Test Plugs

Tighten onto equipment to check pressure without permanently installing a gauge

13 products

Pressure-Relief Valves

Protect equipment by opening at a set pressure and closing when the pressure drops; for repeated use

17 products

Expansion Plugs

Seal pipe and tubing lines when checking for leaks

5 products

Building and Machinery Hardware

Protective Plugs

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

229 products

Protective Caps

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

20 products

Electrical Power, Networking, and Controlling

Electrical Enclosure Plugs

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

29 products

Fastening and Joining

Anchors

Secure anything from signs to heavy machinery in concrete, brick, and drywall

970 products

Socket Head Screws

With a deeper drive than flat and rounded head screws, these withstand more torque for a tighter hold

35 products

Standoff Caps

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

66 products

Containers, Storage, and Furniture

Drum Plugs

Seal drum lid openings

27 products

Drum Plug Caps

Access inside drums to fill them

1 product

Drum Locks

Secure drum lids and openings to prevent tampering

1 product

Safety Equipment

Fire Hydrant Plugs

Pair with a hook-style spanner wrench to quickly seal fire hydrants and washdown equipment

3 products

Lubricating

Grease Fittings

Create an inlet on equipment and machinery for injecting lubricant; also known as Zerk fittings

1 product

Facility and Grounds Maintenance

Drain Cleanouts

Create an access point to inspect and clean floor drain pipelines

3 products

Sealing

Drum Plug Gaskets

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

7 products