Straight Tube Fittings | McMaster-Carr

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Product Family

Air Admittance Valves

Air Chucks

Air Flow Check Valves

Air-Actuated On/Off Valves

Bolt-Together Framing and Fittings

Brazing Rings

Check Valves

Conduit and Fittings

Faucet Spout Thread Adapters

Fire Hose and Fittings

Flow-Adjustment Valves

Grease Fitting Adapters

Grease Fittings

Grease Gun Swivels

Hose Coupling Size-Identification Kits

Hose Fittings

Hydraulic Jack Hose and Fittings

Manual On/Off Valves

System of Measurement

Tube OD

Pipe Size

Material

Thread Type

Fitting Connection

Gender

Fitting Type

Connects To

For Use With

Dry Abrasive Materials

Tube Material

Thread Size

Maximum Pressure @ Temperature

Hose ID

Tube ID

Tube Stem OD

Tube Hardness Rating

Length

RoHS

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

Export Control Classification Number (ECCN)

2B999

EAR99

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

Yes

DFARS Specialty Metals

19,799 Products

Fluid Handling

Tube Fittings

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

9,987 products

Hose Fittings

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

5,419 products

Pipe and Fittings

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

2,273 products

Pipe Expansion Joints

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

197 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

Manual On/Off Valves

Start and stop flow through a line

731 products

Check Valves

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

173 products

Flow-Adjustment Valves

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

175 products

Air-Actuated On/Off Valves

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

17 products

Solenoid On/Off Valves

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

20 products

Motor-Actuated On/Off Valves

An electric motor handles higher flow rates and pressures than solenoid valves

16 products

Pressure-Relief Valves

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

17 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

27 products

Grease Fittings

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

9 products

Grease Gun Swivel Straights

Move grease-dispensing guns in any direction without kinking the outlet hose

3 products

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

Material Handling

Hydraulic Jack Hose Straights

Join lengths of hose to send hydraulic fluid in one direction

10 products

Safety Equipment

Fire Hose Fittings

Mount your fire hose to hydrants and washdown equipment, or join lengths of hose

86 products

Electrical Power, Networking, and Controlling

Conduit Straights

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

15 products

Fastening and Joining

Brazing Rings

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

5 products

Building and Machinery Hardware

Bolt-Together Framing Brackets

Connect the surfaces and corners of bolt-together rails to build guards, tables, and racks

7 products