Green Plugs | McMaster-Carr

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29/64" to 39/64"

1 3/64" to 1 1/4"

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Electrical Connection

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100° F to 249° F

250° F to 499° F

500° F to 999° F

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DFARS Specialty Metals

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1 11/16" to 2 3/8"

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391 Products

Building and Machinery Hardware

Protective Plugs

Protective Plugs

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

Protective Caps

Protective Caps

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

Strut Channel Framing and Fittings

Strut Channel Framing and Fittings

Secure fittings in the U-shaped channel to route conduit and pipe or build other structures

Electrical

Electrical Plugs

Electrical Plugs

Pair with sockets or receptacles to transmit power or data

Electrical Sockets

Electrical Sockets

Pair with plugs or receptacles to transmit power or data

Electrical Receptacles

Electrical Receptacles

Install in a wall or panel to transmit power or data to plugs or sockets

Electrical Connector Caps

Electrical Connector Caps

Protect data connectors when not in use

Electrical Connector Boots

Electrical Connector Boots

Protect connectors and cords from strain, bends, and pulls

Electrical Cords

Electrical Cords

Connect equipment and devices to a power supply

Electrical Connector Seals

Electrical Connector Seals

Add to the front or back of connectors to block out dust, debris, and weather

Binding Posts

Test circuits before making permanent connections

Electrical Adapters

Electrical Adapters

Change electrical connectors to another type, size, or gender

Distribution Bar Terminal Blocks

Distribution Bar Terminal Blocks

Route electricity within switchboards and battery banks; also known as bus bars

Terminal Blocks

Terminal Blocks

Create tidy rows of wire connections that you can identify, test, and adjust on the spot

Fluid Handling

Tube End Plugs

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

Tube Fittings

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

Hose and Hose Fittings

Hose and Hose Fittings

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

Safety Equipment

Earplugs

Protect your hearing in loud environments without the bulk of earmuffs

Lubricating

Grease Fitting Caps

Grease Fitting Caps

Protect grease fittings from dirt, debris, and moisture

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)