Copper Pipe Caps | McMaster-Carr

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300 Products

About Pipe and Fittings

Measure your pipe and fittings to identify their pipe size, thread size, schedule, and thread type. Then, find compatible components.

Pipe and Pipe Fittings

Low-Pressure Iron and Steel Threaded Pipe Fittings

Use these fittings for low-pressure applications in noncorrosive environments.

Low-Pressure Stainless Steel Threaded Pipe Fittings

Use these corrosion-resistant fittings in a low-pressure pipe line.

Low-Pressure Brass and
Bronze Threaded Pipe Fittings

Use these fittings in low-pressure flow applications. They have good corrosion resistance.

Bronze Unthreaded Pipe Fittings

Also known as Silbraze fittings.

Low-Pressure Clamp-On Connectors
for Drain, Waste, and Vent

To make installing and maintaining systems easy, these connectors come with clamps that form a strong seal on pipe and fittings once tightened.

Tube Fittings for Copper and Brass Tubing

Solder-Connect Fittings for Copper Tubing

Solder these fittings to tubing for a permanent, leak-tight connection. They are also known as sweat fittings.

Brass Push-to-Connect Fittings for Copper Tubing

Choose these metal fittings when you need better durability than our plastic push-to-connect fittings.

Press-Connect Fittings for Copper Tubing

Crimp these fittings to copper tubing with a crimping tool for a leak-tight connection that doesn’t require heat or soldering. They are comparable to Viega ProPress fittings.

45° Flared Fittings for Copper and Brass Tubing

No sleeve is required to assemble these fittings, which makes for a faster, more convenient installation compared to 37° flared fittings. They are also known as refrigeration and SAE fittings.

Precision Compression Fittings for Copper Tubing

Also known as instrumentation fittings, these are made to tighter tolerances than standard compression fittings. They are compatible with Parker CPI fittings.

Yor-Lok Fittings for Copper Tubing

A nut with two sleeves (ferrules) gives these fittings extra gripping power. The sleeves bite into tubing as you tighten the nut, creating a strong seal.

Pipe and Pipe Fittings

Low-Pressure Iron and Steel Threaded Pipe Fittings

Low-Pressure Stainless Steel Threaded Pipe Fittings

Low-Pressure Brass andBronze Threaded Pipe Fittings

Bronze Unthreaded Pipe Fittings

Low-Pressure Clamp-On Connectorsfor Drain, Waste, and Vent

Tube Fittings for Copper and Brass Tubing

Solder-Connect Fittings for Copper Tubing

Brass Push-to-Connect Fittings for Copper Tubing

Press-Connect Fittings for Copper Tubing

45° Flared Fittings for Copper and Brass Tubing

Precision Compression Fittings for Copper Tubing

Yor-Lok Fittings for Copper Tubing

Low-Pressure Brass and
Bronze Threaded Pipe Fittings

Low-Pressure Clamp-On Connectors
for Drain, Waste, and Vent