Copper Couplings | McMaster-Carr

Filter by

Material

Tube Material

System of Measurement

Pipe Size

Shape

Fitting Type

Tube OD

Fitting Connection

Double-Grip-Lock Claw

Copper Tube Size

For Use With

Deutsch Style Connectors

Liquid Carbon Dioxide

Thread Type

UN/UNF (SAE Straight)

Gender

Connects To

Length

Pipe Material

Thread Size

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

Yes

REACH

Compliant

Not Compliant

DFARS Specialty Metals

Exempt

RoHS

Compliant

Compliant with Exemptions

Not Compliant

Export Control Classification Number (ECCN)

Fitting Material

Sleeve Material

Housing Material

Pin Material

4,550 Products

Fluid Handling

Tube Fittings

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

2,049 products

Tube Fitting Nuts

Tighten to create a strong seal between tube and tube fittings

107 products

Tube Fitting Sleeves

Pair with nuts and fittings to form a secure connection on tubing

84 products

Tube End Caps

Cover the ends of tube to keep out dirt and debris

10 products

Tube Fitting Sleeve and Nut Kits

Everything you need to create a tight seal between a metal tube and a Yor-Lok fitting

15 products

Pipe and Pipe Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases through your facility

925 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

49 products

Tube Repair Clamps

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

2 products

On-Off Valves

Start and stop flow through a line

515 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

Rod Ends

Use with connecting rods to support loads and control steering, tensioning, or pivoting motion

64 products

Flexible Shafts

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

10 products

Fastening and Joining

Brazing Rings

Snap into metal pipe and tubing to form leak-resistant joints more quickly than with hand-fed alloys

5 products

Electrical Power, Networking, and Controlling

Power Connectors

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

62 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

43 products

Coaxial Plugs

Pair with sockets or receptacles to make coaxial connections

13 products

USB Sockets

Pair with plugs to make USB connections

5 products

Audio Receptacles

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

3 products

Conduit

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

6 products

Building and Machinery Hardware

Mechanical Control Cables

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

3 products