Copper Fittings | McMaster-Carr

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Copper Tube Size

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Copper Tube Type

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REACH

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

Yes

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Compliant

Compliant with Exemptions

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Export Control Classification Number (ECCN)

2B999

EAR99

DFARS Specialty Metals

Fitting Material

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Finish

5,786 Products

Fluid Handling

Tube Fittings

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

2,311 products

Tubing Flow Stops

Temporarily block water flow to make soldering repairs without waiting for your line to drain

18 products

Pipe and Fittings

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

857 products

Hose Fittings

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

37 products

Hose

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

11 products

Tube Crimpers

Create a leak-tight seal between tubing and fittings without heat or solder

11 products

Pipe Repair Clamps

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

184 products

Tube Repair Clamps

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

2 products

Hose and Tube Clamps

Connect hose and tube to barbed fittings

11 products

Manual On/Off Valves

Start and stop flow through a line

438 products

Check Valves

Permit flow in only one direction by closing when flow stops or reverses

145 products

Flow-Adjustment Valves

Gradually open and close to control the volume of air and liquids through a line

107 products

Backflow-Prevention Valves

Dual checks stop flow from reversing and contaminating your system

15 products

Solenoid On/Off Valves

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

91 products

Float Valves

Open or close a pipe connection when liquids in a container reach a set level; also known as ballcocks

59 products

Air Nozzles

Blow concentrated air for cleaning, drying, cooling, and ejecting parts

3 products

Air-Actuated On/Off Valves

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

31 products

Drain Valves

Vent air or discharge liquids to remove excess fluid from your system

5 products

Breather Vents

Maintain even pressure and vacuum as temperatures change by allowing airflow in tanks and enclosures

25 products

Strainers

Install next to valves and pumps to catch debris in your line

6 products

Electrical Power, Networking, and Controlling

Grounding Clamps

Attach grounding wire to equipment to ground electrical current

6 products

Terminals, Ferrules, and Lugs

Attach to the end of wire to connect circuits in control panels, motors, and machinery

963 products

Battery Terminals

Connect cable to battery posts to power vehicles and machines

92 products

Fastening and Joining

Brazing Rings

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

5 products

Welding Lugs

Screw, hammer, or crimp on to secure welding cable connections

13 products

Pipe Wrenches

Grasp and turn pipe, conduit, and fittings

19 products

Sealing

Tube Fitting Gaskets

Prevent leaks when connecting sanitary tube fittings

41 products

Pipe Gaskets

Form tight seals when connecting flanged pipe fittings

14 products

Fabricating and Machining

3D Printer Nozzles

Extrude melted filament onto print surfaces to build parts

25 products

3D Printer Extruder Heating Elements

Replace your entire heating element, or switch it out to print at higher speeds or temperatures

1 product

Building and Machinery Hardware

T-Slotted Framing and Fittings

The most versatile system, attach fittings along the continuous slots to build virtually anything

48 products

Strut Channel Routing Clamps

Route pipe, tubing, and conduit across strut channel

27 products

Lubricating

Grease Fittings

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

1 product

Material Handling

Wire Rope Compression Sleeves

Install a permanent loop at wire rope ends using a compression tool

66 products

Wire Rope Stops

Prevent wire rope from pulling out of cleats and guides or keep ends from fraying

26 products

Snap Hooks

Spring, slide, or press open to quickly connect rope and chain

1 product

Wire Rope Clamps

Form a removable loop at the ends of wire rope by tightening the nuts

4 products

Facility and Grounds Maintenance

Riser Tubes

Connect shut-off valves to sink faucets and toilet tanks

4 products

Wash Guns

Fasten to a hose to control water flow during washdowns

9 products