Red Plugs | McMaster-Carr

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1,270 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

Grommets

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

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 Receptacles

Electrical Receptacles

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

Electrical Sockets

Electrical Sockets

Pair with plugs or receptacles to transmit power or data

Development Board Cords

Development Board Cords

Connect your development board to components such as sensors and actuators

Electrical Cords

Electrical Cords

Connect equipment and devices to a power supply

Binding Posts

Test circuits before making permanent connections

Electrical Connector Seals

Electrical Connector Seals

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

Electrical Connector Clips

Electrical Connector Clips

Attach to data connectors to lock them in place, repair them, or color code them

Electrical Connector Caps

Electrical Connector Caps

Protect data connectors when not in use

Terminal Blocks

Terminal Blocks

Mate with terminals to complete circuits in control panels, motors, and small machines

Electrical Adapters

Electrical Adapters

Change electrical connectors to another type, size, or gender

Data Port Locks

Data Port Locks

Block USB or Ethernet ports from unauthorized use

Heat-Shrink Tubing

Heat-Shrink Tubing

Apply heat to seal and insulate electrical wiring and connections

Fluid Handling

Tube End Plugs

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

Pipe Plugs

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

Hose and Hose Fittings

Hose and Hose Fittings

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

Measuring and Inspecting

Test Lead Adapters

Test Lead Adapters

Change tip styles to take different measurements with the same test leads

Test Leads

Pair with electrical testers such as multimeters to analyze your devices

Test Lead Tips

Adapt Fluke test leads to perform electrical tests in tight spaces

Patch Cords

Make point-to-point connections between electrical testing equipment and your devices

BNC Adapters

Convert a BNC cord to a double banana connector so it can be used with electrical testers

Lubricating

Grease Fitting Caps

Grease Fitting Caps

Protect grease fittings from dirt, debris, and moisture

Safety Equipment

Fire Stops

Prevent fire and smoke from passing through holes in fire-resistant walls and floors

Spill-Control Drain Covers

Spill-Control Drain Covers

Block grates and manholes so liquid can't get in and odors can't get out

Material Handling

Conveyor Guide Mounting Rod Caps

Conveyor Guide Mounting Rod Caps

Cover the ends of conveyor guide mounting rods for a finished look

Communication

Tamper-Evident Seals

Tamper-Evident Seals

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

Fastening and Joining

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

Retaining Rings

Retaining Rings

Hold components on a shaft

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