Straight Pipe Fittings | McMaster-Carr

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Compressed Non-Asbestos Synthetic Fiber

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Threaded on Both Ends

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

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32,043 Products

Fluid Handling

Pipe and Pipe Fittings

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

16,183 products

Tube Fittings

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

5,671 products

Tube Fitting Nuts

Tighten to create a strong seal between tube and tube fittings

69 products

Tube Fitting Clamps

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

144 products

Tube Fitting Sleeves

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

38 products

Tube Fitting Rings

Prevent leaks at tubing connection points

33 products

Tube Fitting Sleeve and Nut Kits

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

16 products

Tube Supports

Slip into plastic and rubber tubing to prevent them from collapsing

93 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

4,420 products

Hose Fitting Nuts

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

3 products

Hose Nozzle Swivels

Rotate to prevent hose from kinking, twisting, and wearing

17 products

Hose Clamps

Connect hose to barbed hose fittings

5 products

Pipe Repair Clamps

Fix small holes and cracks in pipe without taking your system apart

244 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

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

3,118 products

Drain Valves

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

25 products

Orifice Valves

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

24 products

Pressure Test Fittings

Create a temporary connection point for gauges and other testing equipment

25 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

198 products

Oil Fittings

Install in engine blocks and other machinery to pour in oil while keeping dust out

29 products

Electrical Power, Networking, and Controlling

Conduit Straights

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

65 products

Facility and Grounds Maintenance

Faucet Spout Thread Adapters

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

4 products

Heating, Ventilation, and Air Conditioning

Chimney Pipe and Fittings

Exhaust hot air and fumes from boilers, furnaces, and stoves

8 products