Brass Hole Plugs | McMaster-Carr

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Material

Seal Material

System of Measurement

Pipe Size

Thread Type

Chicago Fire Department

UN/UNF (SAE Straight)

Fitting Type

Thread Size

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Shape

For Use With

Gender

Length

Fitting Connection

Pipe Material

Maximum Pressure @ Temperature

RoHS

Compliant with Exemptions

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Finish

Black Zinc Plated

Chrome Plated

Molybdenum Disulfide Coated

REACH

Export Control Classification Number (ECCN)

2B999

EAR99

DFARS Specialty Metals

Tube OD

Connects To

Thread Pitch

Environment

High-Pressure Washdown

Expansion Plug Type

1,048 Products

Fluid Handling

Pipe and Fittings

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

341 products

Hose

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

1 product

Hose Fittings

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

9 products

Hose End Caps

Cover the ends of hose to keep out dirt and debris

38 products

Tube End Plugs

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

29 products

Tube End Caps

Cover the ends of tube to keep out dirt and debris

55 products

Expansion Plugs

Seal pipe and tubing lines when checking for leaks

74 products

Drain Valves

Vent air or discharge liquids to remove excess fluid from your system

60 products

Breather Vents

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

28 products

Pressure Test Plugs

Tighten onto equipment to check pressure without permanently installing a gauge

4 products

Heat Exchanger Plugs

Plug leaky internal tubes in heat exchangers

17 products

Electrical

Electrical Enclosure Plugs

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

10 products

Electrical Enclosure Drain Vents

Prevent moisture from getting trapped inside enclosures while letting air flow through

1 product

Cord Grips

Securely connect cords to enclosures while sealing out dirt and moisture

81 products

Cable Entry Panels

Pass multiple cords into an enclosure while sealing out moisture, dust, and other contaminants

3 products

Electrical Connector Caps

Protect data connectors when not in use

1 product

Building and Machinery Hardware

Grommets

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

120 products

Fastening and Joining

Standoff Caps

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

1 product

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

5 products

Lubricating

Oil Fittings

Install in engine blocks and other machinery to pour in oil while keeping dust out

1 product

Fabricating and Machining

Fixture Plate Plugs

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

1 product

Containers, Storage, and Furniture

Drum Locks

Secure drum lids and openings to prevent tampering

2 products

Facility and Grounds Maintenance

Sink Drains

Empty liquids from sinks into sewer lines

5 products