Threaded Pipe Fittings | McMaster-Carr

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Threaded on Both Ends

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Compliant with Exemptions

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Compliant

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

Yes

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

37,943 Products

Fluid Handling

Pipe and Pipe Fittings

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

17,599 products

Tube and Tube Fittings

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

8,828 products

Hose Fittings

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

4,525 products

Hose Fitting Nuts

Connect fittings and compressed-gas nipples to pressure regulators and torches

3 products

Hose End Caps

Cover the ends of hose to keep out dirt and debris

9 products

Hose Nozzle Swivels

Rotate to prevent hose from kinking, twisting, and wearing

14 products

Manifolds

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

635 products

Air Chucks

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

19 products

Junction Blocks

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

88 products

Hose Kink Absorbers

Prevent hose from kinking to ensure maximum flow and extend hose life

1 product

On-Off Valves

Start and stop flow through a line

3,056 products

Orifice Valves

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

849 products

Air Valves

Fill tanks, tires, and other pressurized equipment

22 products

Valve Union Fittings

Mating parts join valves to a line for quick connection and removal

29 products

Drain Valves

Vent air or discharge liquids to remove excess fluid from your system

36 products

Expansion Plugs

Seal pipe and tubing lines when checking for leaks

9 products

Breather Vents

Maintain even pressure and vacuum as temperatures change by allowing airflow in tanks and enclosures

93 products

Pressure Test Fittings

Create a temporary connection point for gauges and other testing equipment

31 products

Pressure-Relief Valves

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

17 products

Flowmeter Tees

Pair with a sensor and a display to measure a liquid's flow in hard-to-access areas

6 products

Electrical Power, Networking, and Controlling

Conduit and Fittings

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

211 products

Safety Equipment

Fire Hydrants

Fight fires in areas around your facility that city-installed hydrants don’t reach

4 products

Lubricating

Grease Gun Tips

Attach to grease gun nozzles and direct a stream of lubricant into grease fittings on machinery

63 products

Grease Gun Nozzles

Replace nozzles on grease guns

103 products

Grease Gun Tip Adapters

Quickly switch between standard, button-head, and flush-style grease fittings

1 product

Facility and Grounds Maintenance

Faucet Spout Thread Adapters

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

4 products

Neutralization Tanks

Treat corrosive chemicals before they drain into sewer systems

4 products

Measuring and Inspecting

Pipe Size Measuring Kits

Connect to pipe and fittings to determine their size without additional measuring tools

4 products

Power Transmission

Compressed Air Filter/Regulator/Lubricator Manifolds

Distribute compressed air to multiple locations from a single source

7 products