Copper Couplings | McMaster-Carr

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Material

Tube Material

System of Measurement

Pipe Size

Fitting Type

Shape

Tube OD

Copper Tube Size

Fitting Connection

For Use With

Liquid Carbon Dioxide

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UN/UNF (SAE Straight)

Gender

Length

Connects To

Pipe Material

Thread Size

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

REACH

RoHS

Compliant with Exemptions

Not Compliant

Export Control Classification Number (ECCN)

2B999

EAR99

DFARS Specialty Metals

Fitting Material

Sleeve Material

Housing Material

Pin Material

4,411 Products

Fluid Handling

Tube Fittings

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

2,311 products

Pipe and Fittings

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

857 products

Pipe Repair Clamps

Fix small holes and cracks in pipe without taking your system apart

184 products

Hose Fittings

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

37 products

Tube Repair Clamps

Mend small holes, cracks, and full-circle breaks in tubing without dismantling your system

2 products

Manual On/Off Valves

Start and stop flow through a line

431 products

Solenoid On/Off Valves

A solenoid withstands rapid cycling for applications with frequent opening and closing

91 products

Air-Actuated On/Off Valves

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

31 products

Power Transmission

Precision Lead Screw Nuts

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

178 products

Lead Screw Nuts

Mate with lead screws to move components in a straight line

54 products

Flexible Shafts

Snake around curves and obstructions to transmit rotary motion along any path

10 products

Fastening and Joining

Brazing Rings

Snap into unthreaded pipe fittings for an extra-strong, leak-resistant connection

5 products

Electrical Power, Networking, and Controlling

Power Connectors

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

70 products

RJ45 Plugs

Pair with sockets or receptacles to make Ethernet connections

7 products

Metric Circular Connectors

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

60 products

USB Sockets

Pair with plugs to make USB connections

5 products

Coaxial Plugs

Pair with sockets or receptacles to make coaxial connections

13 products

Audio Receptacles

Install in walls and panels and pair with plugs to make audio connections

3 products

Building and Machinery Hardware

Mechanical Control Cables

Weave around obstructions to operate valves, throttles, and other machinery from a distance

3 products