Straight Tube Fittings | McMaster-Carr

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

Yes

Export Control Classification Number (ECCN)

2B999

EAR99

DFARS Specialty Metals

19,301 Products

Fluid Handling

Tube Fittings

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

8,595 products

Tube Fitting Nuts

Tighten to create a strong seal between tube and tube fittings

354 products

Tube Fitting Sleeves

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

313 products

Tube Supports

Slip into plastic and rubber tubing to prevent them from collapsing

93 products

Tube Fitting Clamps

Quickly secure connections between tube fittings, including sanitary and high-vacuum fittings

144 products

Tube Fitting Sleeve and Nut Kits

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

31 products

Tube Fitting Rings

Prevent leaks at tubing connection points

33 products

Tube Sampling Ports

Take samples from sanitary tubing without pausing or contaminating your line

2 products

Hose Fittings

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

5,448 products

Hose Nozzle Swivels

Rotate to prevent hose from kinking, twisting, and wearing

17 products

Pipe and Pipe Fittings

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

2,303 products

Air Chucks

Connect air hose to Schrader valves, which are common on tires and hydraulic systems

1 product

Tube Repair Clamps

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

18 products

On-Off Valves

Start and stop flow through a line

782 products

Check Valves

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

161 products

Flow-Adjustment Valves

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

175 products

Pressure-Relief Valves

Protect equipment by opening at a set pressure and closing when the pressure drops; for repeated use

17 products

Lubricating

Grease Fitting Adapters

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

27 products

Grease Fittings

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

9 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

Power Transmission

Air Flow Check Valves

Open to allow air flow in one direction and close when flow stops or reverses

9 products

Facility and Grounds Maintenance

Faucet Spout Thread Adapters

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

4 products

Air Admittance Valves

Allow air into drain, waste, and vent systems so you don't have to vent plumbing to the outdoors

2 products

Electrical Power, Networking, and Controlling

Conduit Straights

Join conduit of different sizes and types, or attach conduit to a knockout in electrical boxes

8 products

Fastening and Joining

Brazing Rings

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

8 products