Plug Screws | McMaster-Carr

Filter by

System of Measurement

Pipe Size

Material

Thread Type

Chicago Fire Department

UN/UNF (SAE Straight)

Drive Style

Tamper-Resistant Torx

Fitting Type

Thread Size

Length

For Use With

Acetic Acid (White Vinegar)

Acetic Acid (White Vinegar) (5% Concentration)

Acetic Acid (White Vinegar) (10% Concentration)

Pipe Material

Shape

Maximum Pressure @ Temperature

Gender

Drive Size

Finish

Corrosion-Resistant Coated

Zinc Phosphate Coated

Flange Material

Body Shape

Fitting Connection

Thread Pitch

Pressure Class

Specifications Met

Fed. Spec. QQ-A-200/8

Plug Construction

RoHS

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

DFARS Specialty Metals

Compliant

Exempt

Not Compliant

Export Control Classification Number (ECCN)

4,054 Products

Fluid Handling

Pipe and Pipe Fittings

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

2,054 products

Hose and Hose Fittings

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

16 products

Breather Vents

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

93 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

19 products

Expansion Plugs

Seal pipe and tubing lines when checking for leaks

5 products

Electrical

Electrical Enclosure Plugs

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

29 products

Building and Machinery Hardware

Protective Plugs

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

75 products

Protective Caps

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

40 products

Lubricating

Grease Fittings

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

323 products

Grease Fitting Adapters

Mate grease fittings when the sizes and thread types don't match

41 products

Grease Fitting Manifolds

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

3 products

Grease Fitting Installation Tools

Tap to insert grease fittings in unthreaded holes

2 products

Grease Fitting Junction Blocks

Send different types and amounts of grease from multiple grease fittings to lubricate several points

9 products

Fastening and Joining

Rounded Head Screws

Sit just above the surface for a low-profile finish and hold tighter than flat head screws

261 products

Socket Head Screws

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

351 products

Hex Head Screws

Used with nuts to create a stronger joint than flat and rounded screws

126 products

Flat Head Screws

Fit in countersunk holes for a flush finish that won't snag on surrounding parts

242 products

Tapping Screws

Fasten a range of materials together without needing to tap the hole first

119 products

Wood Screws

Fasten material to wood or pieces of wood to each other

4 products

Anchors

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

55 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

19 products

Drum Plug Caps

Access inside drums to fill them

4 products

Drum Locks

Secure drum lids and openings to prevent tampering

2 products

Facility and Grounds Maintenance

Faucet Hole Covers

Close off unused faucet holes intended for soap dispensers and side sprayers

2 products

Drain Cleanouts

Create an access point to inspect and clean floor drain pipelines

3 products

Safety Equipment

Fire Hydrant Plugs

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

3 products

Fire Hydrant Caps

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

6 products

Sealing

Drum Plug Gaskets

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

7 products