Metric Couplings | McMaster-Carr

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System of Measurement

Thread Size

Thread Pitch

Material

Stainless Steel

Gender

Length

Fitting Type

Reducing Adapter

Nut Type

Externally Threaded

Shape

Double 90° Elbow

Threading

Partially Threaded

Threaded on Both Ends

Width

Tube OD

OD

Pipe Size

Fitting Connection

Push to Connect

Quick Disconnect

Spec Image

For Use With

Dichlorotetrafluoroethane

Connects To

Finish

Aluminum Plated

Black Zinc Plated

RoHS

Compliant with Exemptions

REACH

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

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Height

Performance

Chemical Resistant

Corrosion Resistant

Crush Resistant

Flame Retardant

Interference Shielding

Low Temperature

Ultra Precision

Vibration Resistant

How can we improve?

1,732 Products

Fastening and Joining

Coupling Nuts

Connect and extend threaded rods

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Hanger Bolts

Suspend pipe and other fixtures with wire or cable ties

Fluid Handling

Pipe and Fittings

Pipe and Fittings

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

Tube Fittings

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

Hose Fittings

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

Hose Fitting Nuts

Hose Fitting Nuts

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

Manual On-Off Valves

Manual On-Off Valves

Start and stop flow through a line

Electrical Power, Networking, and Controlling

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

USB Adapters

Connect mismatched USB cords and devices

HDMI Adapters

Convert one HDMI size or style to another

Power Receptacles

Power Receptacles

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

Solenoid Valve Sockets

Solenoid Valve Sockets

Pair with plugs or receptacles to connect solenoid components

USB Cords

Transfer data between computers, printers, and mobile devices

Conduit and Fittings

Conduit and Fittings

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

Lubricating

Grease Fitting Adapters

Grease Fitting Adapters

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

Grease Gun Tips

Grease Gun Tips

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

Grease Gun Nozzles

Grease Gun Nozzles

Replace nozzles on grease guns

Power Transmission

Precision Lead Screw Nuts

Precision Lead Screw Nuts

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

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