Black Steel (Class 3000) High-Pressure Threaded Pipe Fittings | McMaster-Carr

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How to Identify and Measure Fittings

Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.

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Pipe, Tubing, Hose, and Fittings

High-Pressure Stainless
Steel Threaded Pipe Fittings

High-Pressure Stainless Steel Threaded Pipe Fittings

Use these heavy duty, corrosion-resistant fittings in high-pressure flow applications.

Extreme-Pressure Stainless
Steel Threaded Pipe Fittings

testString

Use these fittings in extreme-pressure conditions up to 15,000 psi.

Thick-Wall Plastic Pipe Fittings for Water

testString

Connect these fittings to thick-wall plastic pipe—they have thicker, stronger walls than standard-wall fittings, so they can handle heavy duty industrial plumbing and water supply applications, such as water processing, waste water treatment, and irrigation. They can withstand pressures up to 900 psi.

High-Pressure Compression
Fittings for Stainless Steel Tubing

The thick walls of these fittings can withstand more than twice the pressure of standard compression fittings.

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)