Metric Connectors | McMaster-Carr

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3,212 Products

Electrical Power, Networking, and Controlling

Metric Circular Connectors

Metric Circular Connectors

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

Metric Circular Connector Caps

Metric Circular Connector Caps

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

Solenoid Valve Sockets

Solenoid Valve Sockets

Pair with plugs or receptacles to connect solenoid components

Power Receptacles

Power Receptacles

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

CB Radio Connectors

CB Radio Connectors

Sockets and receptacles to connect CB radios

RJ45 Connectors

RJ45 Connectors

Plugs, sockets, and receptacles to make Ethernet connections

HDMI Adapters

Convert one HDMI size or style to another

USB Adapters

Connect mismatched USB cords and devices

Metric Circular Cords

Metric Circular Cords

Send power and control signals to equipment with metric connections

Ethernet Cords

Send data between computers, printers, servers, and switches

Solenoid Valve Cords

Solenoid Valve Cords

Connect solenoid components, such as valves and motors

Sensor Signal Adapter Cords

Sensor Signal Adapter Cords

Send data between sensors and receivers that have different signal types

Profibus Cords

Transmit data in automation systems and other networks

USB Cords

Transfer data between computers, printers, and mobile devices

Distribution Blocks

Distribution Blocks

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

Cord Grips

Securely connect cords to enclosures while sealing out dirt and moisture

Conduit and Fittings

Conduit and Fittings

Protect wiring from impact and the environment in runs indoors, outdoors, and underground

Switch Mounts

Mount switches to panel cutouts, tank walls, or conveyors

Fluid Handling

Tube Fittings

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

Pipe and Fittings

Pipe and Fittings

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

Hose and Hose Fittings

Hose and Hose Fittings

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

Manifolds

Distribute air or fluid to multiple places from a single source; also called headers

Junction Blocks

Junction Blocks

Organize and separate multiple lines in a pipe system; air and fluid flow through the threaded holes

Pressure Test Plugs

Pressure Test Plugs

Tighten onto equipment to check pressure without permanently installing a gauge

Air-Actuated On/Off Valves

Air-Actuated On/Off Valves

Operate on compressed air to start and stop flow faster than motor-driven valves

Manual On/Off Valves

Manual On/Off Valves

Start and stop flow through a line

Fastening and Joining

Coupling Nuts

Connect and extend threaded rods

Hex Nuts

Handle most general fastening needs

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Weld Nuts

Weld to metal surfaces to add permanent threads

Snap-In Nuts

Push into square holes in thin materials to add bolts for aligning off-center parts

Adhesive-Mount Nuts

Adhesive-Mount Nuts

Attach threads to material that’s too thin for a threaded insert

Single-End Studs

Single-End Studs

Use the unthreaded end as a pivot point, hinge, shaft, or locator pin

Studs

Press, weld, or screw in place to add a threaded fastening point

Hanger Bolts

Suspend pipe and other fixtures with wire or cable ties

Binding Barrels

Binding Barrels

Create custom low-profile fasteners with binding barrel posts, caps, and screws

Lubricating

Grease Fitting Adapters

Grease Fitting Adapters

Mate grease fittings when the sizes and thread types don't match

Coolant Nozzles

Coolant Nozzles

Dispense coolant onto workpieces or tools directly from a tank

Grease Fittings

Grease Fittings

Create an inlet on equipment and machinery for injecting lubricant; also known as Zerk fittings

Grease Gun Tips

Grease Gun Tips

Attach to grease gun nozzles and direct a stream of lubricant into grease fittings on machinery

Grease Guns

Manually inject lubrication through grease fittings on equipment and machinery

Grease Gun Nozzles

Grease Gun Nozzles

Replace nozzles on grease guns

Material Handling

Mounts for Vacuum Cups and Lifters

Mounts for Vacuum Cups and Lifters

Mount vacuum cups or vacuum lifters to surfaces

Vacuum Fittings

Vacuum Fittings

Connect to vacuum cups and compressed air to create suction; also known as venturi devices

Containers, Storage, and Furniture

Drum Plugs

Seal drum lid openings

Building and Machinery Hardware

Positioning Arms

Positioning Arms

Mount and position tools and other small equipment

Leveling Mount Inserts

Leveling Mount Inserts

Slip onto equipment and furniture to add threaded-stud leveling feet

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