Metric Couplings | McMaster-Carr

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U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

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DFARS Specialty Metals

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Export Control Classification Number (ECCN)

2B999

EAR99

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1,716 Products

Fluid Handling

Pipe and Fittings

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

372 products

Tube Fittings

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

458 products

Hose Fittings

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

140 products

Hose Fitting Nuts

Connect fittings and compressed-gas nipples to pressure regulators and torches

1 product

On-Off Valves

Start and stop flow through a line

3 products

Fastening and Joining

Coupling Nuts

Connect and extend threaded rods

183 products

Thread Adapters

Join threads of a different type, size, and gender

10 products

Hanger Bolts

Suspend pipe and other fixtures with wire or cable ties

24 products

Electrical Power, Networking, and Controlling

RJ45 Connectors

Plugs, sockets, and receptacles to make Ethernet connections

17 products

Metric Circular Connectors

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

242 products

USB Adapters

Connect mismatched USB cords and devices

8 products

HDMI Adapters

Convert one HDMI size or style to another

1 product

Power Receptacles

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

9 products

Solenoid Valve Sockets

Pair with plugs or receptacles to connect solenoid components

1 product

USB Cords

Transfer data between computers, printers, and mobile devices

17 products

Conduit and Fittings

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

91 products

Lubricating

Grease Fitting Adapters

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

11 products

Grease Gun Tips

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

5 products

Grease Gun Nozzles

Replace nozzles on grease guns

2 products

Power Transmission

Precision Lead Screw Nuts

Pair with precision lead screws for accurate starts and stops in your assembly

10 products