Gray Plugs | McMaster-Carr

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Breakaway Cords

Cable Entry Panels

D-Sub Connectors

Data Connection Hubs

Data Port Locks

Distribution Blocks

Electrical Enclosure Drain Vents

Electrical Enclosure Plugs

Electrical Enclosure Vents

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Stainless Steel

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DIN Valve Connection

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Food and Beverage

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1,623 Products

Most Likely Products

Power Connectors

Power Connectors

Plugs, sockets, receptacles, and other connectors for powering equipment

Electrical Enclosure Plugs

Electrical Enclosure Plugs

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

Latching Connectors

Latching Connectors

Protect connections in wet or harsh environments while keeping them accessible

Pipe Plugs

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

All Results

Electrical Power, Networking, and Controlling

Power Connectors

Power Connectors

Plugs, sockets, receptacles, and other connectors for powering equipment

Latching Connectors

Latching Connectors

Protect connections in wet or harsh environments while keeping them accessible

Solenoid Valve Sockets

Solenoid Valve Sockets

Pair with plugs or receptacles to connect solenoid components

Strain-Relief Connector Boots

Strain-Relief Connector Boots

Protect connectors and cords from strain, bends, and pulls

Han Connectors

Plugs and sockets to make Han connections

RJ45 Connectors

RJ45 Connectors

Plugs, sockets, and receptacles to make Ethernet connections

Metric Circular Connectors

Metric Circular Connectors

Plugs, sockets, receptacles, and adapters for equipment with metric connections

D-Sub Connectors

D-Sub Connectors

Plugs, sockets, receptacles, and adapters for connecting computers, monitors, and printers

Micro 360 Connectors

Micro 360 Connectors

Plugs and sockets to make control and data connections in tight spaces

Molex Plug and Socket Sets

Molex Plug and Socket Sets

Come with wire leads installed for quick additions to existing Molex systems

AMP Plug and Socket Sets

AMP Plug and Socket Sets

Come with wire leads installed for quick additions to existing AMP systems

Metric Circular Connector Caps

Metric Circular Connector Caps

Keep metric circular connectors safe when they're not in use

USB Adapters

Connect mismatched USB cords and devices

Solenoid Valve Cords

Solenoid Valve Cords

Connect solenoid components, such as valves and motors

Power Cords

Connect equipment and devices to a power source

Metric Circular Cords

Metric Circular Cords

Send power and control signals to equipment with metric connections

D-Sub Cords

Connect computers, monitors, printers, and other devices with DB connections

Ethernet Cords

Send data between computers, printers, servers, and switches

Extension Cords

Extension Cords

Extend the reach of power from an outlet

ix Industrial Cords

ix Industrial Cords

Send data or signals between equipment, such as a servomotor and encoder

Breakaway Cords

Breakaway Cords

Disconnect if pulled to prevent stress on cord

USB Cords

Transfer data between computers, printers, and mobile devices

USB Cord Locks

Keep your USB cord from shaking loose or being yanked out

Outlet Strips

Plug in multiple devices to power them from a single outlet

Wall Plates

Cover switches and outlets for a finished look or to close them off when not in use

Terminal Blocks

Terminal Blocks

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

Distribution Blocks

Distribution Blocks

Distribute electricity from a single power source to several devices in a circuit

Binding Posts

Test circuits before making permanent connections

Data Connection Hubs

Data Connection Hubs

Add USB, DisplayPort, or HDMI ports to your computer to connect multiple device

Data Port Locks

Data Port Locks

Block USB or Ethernet ports from unauthorized use

Electrical Enclosure Plugs

Electrical Enclosure Plugs

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

Electrical Enclosure Vents

Electrical Enclosure Vents

Attach to sealed enclosures so air can flow to equalize temperature and pressure

Cable Entry Panels

Cable Entry Panels

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

Cord Grips

Securely connect cords to enclosures while sealing out dirt and moisture

Outlet Boxes

House electrical components such as on-off switches, receptacles, and dimmer knobs

DIN Rail Caps

Guard the edges of DIN rail from damage and create a finished look

Electrical Enclosure Drain Vents

Electrical Enclosure Drain Vents

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

EMI/RFI Suppressing Clips

EMI/RFI Suppressing Clips

Shield cable from EMI and RFI that can distort signals; also known as ferrite beads

Fluid Handling

Pipe Plugs

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

Tube Fittings

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

Hose

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

Breather Vents

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

Building and Machinery Hardware

Protective Plugs

Protective Plugs

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

Grommets

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

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

Slip-On Framing End Caps

Slip-On Framing End Caps

Cover the rough ends of slip-on framing rails for a finished look

Containers, Storage, and Furniture

Drum Plugs

Seal drum lid openings

Facility and Grounds Maintenance

Manhole Covers

Made of cast iron to handle high-volume foot and vehicle traffic.

Safety Equipment

Earplugs

Protect your hearing in loud environments without the bulk of earmuffs

Safety Glasses

Shield your eyes from dirt, sunlight, lasers, and electrical and welding sparks

Lighting

Light Switch/Receptacles

Light Switch/Receptacles

Combine a switch and receptacle into a single outlet box for a small footprint

Sealing

Tube Fitting Gaskets

Tube Fitting Gaskets

Prevent leaks when connecting sanitary tube fittings

Fastening and Joining

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

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