Tube Couplings | McMaster-Carr

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Fitting Type

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Tube OD

For Use With

Dry Abrasive Materials

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Maximum Pressure @ Temperature

Tube Material

Pipe Material

Threading

Threaded on Both Ends

Thread Size

RoHS

Compliant with Exemptions

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REACH

Compliant

Not Compliant

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

Yes

Export Control Classification Number (ECCN)

DFARS Specialty Metals

Hose ID

48,275 Products

Fluid Handling

Tube and Tube Fittings

Typically more flexible than pipe for carrying liquids and gases in short runs around equipment

17,269 products

Pipe and Pipe Fittings

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

23,401 products

Tube Repair Clamps

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

18 products

Hose Fittings

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

6,116 products

Hose End Plugs

Insert into the ends of hose to keep out dirt and debris

41 products

Hose Crimpers

Crimp ferrules onto hose to secure fittings

43 products

Building and Machinery Hardware

Slip-On Framing Connectors

Tighten onto slip-on framing rails to build guards, railings, and racks

245 products

Clamp-On Framing and Fittings

Two-piece fittings let you modify assembly stations, conveyors, and racks without dismantling them

171 products

Flush-Fit Framing and Fittings

Create smooth stair and platform railings by sliding fittings into rails and tightening the screws

7 products

Press-Fit Framing and Fittings

Set up temporary partitions, guards, and displays using only a hammer

29 products

Measuring and Inspecting

Hose Coupling Size-Identification Kits

Match your hose coupling to one of the plugs to determine its size without measuring

1 product

Lubricating

Grease Fitting Adapters

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

41 products

Power Transmission

Shaft Collar Adapters

Sized specifically to adapt standard shaft collars to pipe, creating a tight fit

12 products

Material Handling

Scaffold Clamps

Construct scaffolding and secure supports, such as railings

2 products

Fabricating and Machining

Pipe Groovers

Form grooves in pipe ends for on-site installation and maintenance

6 products

Fastening and Joining

Brazing Rings

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

5 products

Pipe Wrenches

Grasp and turn pipe, conduit, and fittings

115 products

Facility and Grounds Maintenance

Neutralization Tanks

Treat corrosive chemicals before they drain into sewer systems

4 products

Faucet Spout Thread Adapters

Connect the female end of your garden hose to a faucet spout

4 products