Solid End Caps | McMaster-Carr

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Chicago Fire Department

UN/UNF (SAE Straight)

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RoHS

Compliant with Exemptions

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REACH

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Export Control Classification Number (ECCN)

2B999

EAR99

DFARS Specialty Metals

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Finish

Corrosion-Resistant Coated

2,799 Products

Electrical

Electrical Enclosure Plugs

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

54 products

Heat-Shrink Tubing End Caps

Seal moisture out of crimped electrical connections

26 products

Cold-Shrink Tubing End Caps

Seal crimped electrical connections without heat or tools to protect against moisture

4 products

Terminal Covers

Block out dirt and corrosion to protect battery terminals

2 products

Building and Machinery Hardware

Protective Caps

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

962 products

Protective Plugs

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

829 products

Fabricating and Machining

Fixture Plate Plugs

Keep chips and shavings from clogging or damaging unused holes on fixture plates in milling machines

1 product

Fastening and Joining

Cap Nuts

Cover and protect threads while adding a finished look; also known as acorn nuts

423 products

Socket Head Screws

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

35 products

Retaining Rings

Hold components on a shaft

25 products

Standoff Caps

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

66 products

Fluid Handling

Hose and Hose Fittings

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

208 products

Bore Sealing Plugs

Permanently seal unthreaded holes in pneumatic and hydraulic components

73 products

Facility and Grounds Maintenance

Rebar Caps

Brightly colored to alert workers to exposed rebar and pipe

4 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

4 products

Communication

Tamper-Evident Seals

Secure hasps, latches, and other connections to visibly indicate tampering

2 products