Tube Fittings | McMaster-Carr

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Product Family

Abrasive Blasting Nozzle Couplings

Air Admittance Valves

Air Chucks

Air Flow Check Valves

Air-Actuated On/Off Valves

Aluminum

Bolt-Together Framing and Fittings

Brazing Rings

Check Valves

Clamp-On Framing and Fittings

Cold-Shrink Tubing End Caps

Compressed Air Filter/Regulator/Lubricator Manifolds

Conduit and Fittings

Connectors for Telescoping Tubes

Diverting Valves

Drain Cleanouts

Drinking Fountain Replacement Parts

Expansion Plugs

System of Measurement

Tube OD

Shape

Pipe Size

Material

Lithium/Calcium Blend

Thread Type

Fitting Connection

Gender

Fitting Type

For Use With

Dry Abrasive Materials

Connects To

Tube Material

Thread Size

Maximum Pressure @ Temperature

Hose ID

Tube ID

Tube Stem OD

Tube Hardness Rating

Color

RoHS

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

Export Control Classification Number (ECCN)

2A999

2B999

EAR99

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

Yes

DFARS Specialty Metals

33,567 Products

Fluid Handling

Tube Fittings

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

17,880 products

Tubing Flow Stops

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

18 products

Tubing

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

11 products

Hose Fittings

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

6,358 products

Hose

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

65 products

Pipe and Fittings

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

3,889 products

Pipe Expansion Joints

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

197 products

Pipe Traps

Create a seal that prevents the backflow of gas

15 products

Manifolds

Distribute air or fluid to multiple places from a single source; also called headers

739 products

Air Chucks

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

28 products

Junction Blocks

Organize and separate multiple lines in a pipe system; air and fluid flow through the threaded holes

88 products

Tube Crimpers

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

25 products

Pipe Crimper Jaws and Rings

Seal press-connect fittings onto pipe without threading or welding

2 products

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

939 products

Flow-Adjustment Valves

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

206 products

Check Valves

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

198 products

Diverting Valves

Redirect flow between ports

68 products

Sampling Valves

Drain a small amount of liquid or gas for inspection without disrupting flow

5 products

Expansion Plugs

Seal pipe and tubing lines when checking for leaks

1 product

Orifice Valves

Restrict the flow of liquids and gases to precisely control rate and pressure

216 products

Flow-Regulating Valves

Maintain the set flow rate of fluid through your system

50 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

Mufflers

Reduce noise and filter exhaust fumes

25 products

Strainers

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

32 products

Strainer Screens

Replace the screen in your strainer

4 products

Filter Housings

Use with filter cartridges to remove particles from liquid

20 products

Pressure-Relief Valves

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

17 products

Building and Machinery Hardware

Slip-On Framing and Fittings

Insert rails into fittings and tighten screws to make guards, railings, and racks

434 products

Clamp-On Framing and Fittings

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

248 products

Strut Channel Framing and Fittings

Secure fittings in the U-shaped channel to route conduit and pipe or build other structures

268 products

Flush-Fit Framing and Fittings

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

11 products

Press-Fit Framing and Fittings

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

90 products

Bolt-Together Framing and Fittings

Fasten through equally spaced holes to build and adjust guards, tables, and racks

124 products

Weld-Together Framing and Fittings

Permanently join rails and fittings to assemble heavy duty racks, shelving, and work tables

8 products

Leveling Mount Inserts

Slip onto equipment and furniture to add threaded-stud leveling feet

113 products

Leveling Mounts

Level machines and workbenches on uneven surfaces, reduce vibration, and protect floors

10 products

Lubricating

Grease Fitting Adapters

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

41 products

Grease Fittings

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

9 products

Grease Gun Swivels

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

10 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

Compressed Air Filter/Regulator/Lubricator Manifolds

Distribute compressed air to multiple locations from a single source

28 products

Sealing

Tube Fitting Gaskets

Prevent leaks when connecting sanitary tube fittings

435 products

Fastening and Joining

Tube-Connecting Nuts

Push inside tubes to join them with a threaded stud instead of welding

21 products

Connectors for Telescoping Tubes

Lock tubes in place to create adjustable structures, such as folding stands and extension poles

15 products

Brazing Rings

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

5 products

Material Handling

Hydraulic Jack Hose and Fittings

Convey hydraulic fluid between hydraulic jacks and their power source

21 products

Scaffold Clamps

Construct scaffolding and secure supports, such as railings

2 products

Facility and Grounds Maintenance

Faucet Spout Thread Adapters

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

4 products

Drinking Fountain Replacement Parts

Replace nozzles, regulators, filters, handles, and other original manufacturer parts

2 products

Drain Cleanouts

Create an access point to inspect and clean floor drain pipelines

3 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 and Fittings

Protect wiring from impact and the environment in runs indoors, outdoors, and underground

34 products

Cold-Shrink Tubing End Caps

Seal crimped electrical connections without heat or tools to protect against moisture

4 products

Containers, Storage, and Furniture

Stacking Caps and Targets

Turn the ends of posts into stackable shelving and rack systems

6 products

Safety Equipment

Fire Hose Fittings

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

86 products

Raw Materials

Aluminum

Lightweight, easy to machine, and corrosion resistant—all with material certificates for traceability

47 products

Fabricating and Machining

Abrasive Blasting Nozzle Couplings

Secure your blasting nozzle to your hose

5 products