Steel Tube Couplings | McMaster-Carr

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Product Family

Clamp-On Framing and Fittings

Grease Fitting Adapters

Hose Coupling Size-Identification Kits

Hydraulic Jack Hose and Fittings

Pipe and Fittings

Pipe Expansion Joints

Press-Fit Framing and Fittings

Scaffold Clamps

Slip-On Framing and Fittings

Tube Repair Clamps

Material

Hastelloy C276 Nickel

Stainless Steel

Pipe Material

Stainless Steel

System of Measurement

Pipe Size

Fitting Type

Expansion Joint

Reducing Adapter

Shape

Side-Outlet Elbow

Side-Outlet Tee

Thread Type

UN/UNF (SAE 45°)

Fitting Connection

Gender

Pipe Schedule

Tube OD

Length

For Use With

Pharmaceuticals

Plastic Pellets

Connects To

Corrugated Pipe

Railroad Tank Car

Threading

Threaded on Both Ends

Threaded on One End

OD

0.437" to 0.671"

Pressure Class

Tube Material

Stainless Steel

RoHS

Compliant with Exemptions

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

Export Control Classification Number (ECCN)

DFARS Specialty Metals

REACH

Sleeve Material

Stainless Steel

Plug Material

Stainless Steel

Hex Bushing Material

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23,130 Products

Fluid Handling

Tube Fittings

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

Tube Repair Clamps

Tube Repair Clamps

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

Pipe and Fittings

Pipe and Fittings

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

13,750 products

Pipe Stub Ends

Connect a pipe flange to a pipe without needing to weld it in place

Pipe Expansion Joints

Pipe Expansion Joints

Reduce stress, vibration, and noise in piping systems by absorbing movement

Pipe Traps

Create a seal that prevents the backflow of gas

Hose Fittings

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

Hose Crimpers

Crimp ferrules onto hose to secure fittings

Measuring and Inspecting

Hose Coupling Size-Identification Kits

Hose Coupling Size-Identification Kits

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

Building and Machinery Hardware

Clamp-On Framing and Fittings

Clamp-On Framing and Fittings

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

Press-Fit Framing Connectors

Press-Fit Framing Connectors

Tap into place with a hammer to join two or more press-fit rails

Slip-On Framing Connectors

Slip-On Framing Connectors

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

Lubricating

Grease Fitting Adapters

Grease Fitting Adapters

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

Material Handling

Scaffold Clamps

Scaffold Clamps

Construct scaffolding and secure supports, such as railings

Hydraulic Jack Hose and Fittings

Hydraulic Jack Hose and Fittings

Convey hydraulic fluid between hydraulic jacks and their power source

Fabricating and Machining

Pipe Groovers

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

Fastening and Joining

Pipe Wrenches

Grasp and turn pipe, conduit, and fittings

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