Solder Fittings | McMaster-Carr

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569 Products

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.

Solder-Connect Fittings for Copper Tubing

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

Cleaned and Bagged Solder-Connect
Fittings for Copper Tubing

When cleanliness is crucial to your application, choose these fittings that are individually cleaned and bagged to prevent contamination.

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.

Barbed Tube Fittings for Drinking Water

Connect these fittings to tubing with a ring and a crimping tool (both sold separately). Safe to use with drinking water, these fittings meet the strict standards of NSF/ANSI 61.

Medium-Pressure Pipe Fittings
for Joining Dissimilar Metals

Use these unions to connect different metals in a piping or plumbing system. They have a gasket with a plastic sleeve that inhibits destructive corrosion.

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How to Identify and Measure Fittings

Pipe, Tubing, Hose, and Fittings

Solder-Connect Fittings for Copper Tubing

Cleaned and Bagged Solder-Connect
Fittings for Copper Tubing

45° Flared Fittings for Copper and Brass Tubing

Barbed Tube Fittings for Drinking Water

Medium-Pressure Pipe Fittings
for Joining Dissimilar Metals

How to Identify and Measure Fittings

Pipe, Tubing, Hose, and Fittings

Solder-Connect Fittings for Copper Tubing

Cleaned and Bagged Solder-ConnectFittings for Copper Tubing

45° Flared Fittings for Copper and Brass Tubing

Barbed Tube Fittings for Drinking Water

Medium-Pressure Pipe Fittingsfor Joining Dissimilar Metals

Cleaned and Bagged Solder-Connect
Fittings for Copper Tubing

Medium-Pressure Pipe Fittings
for Joining Dissimilar Metals