HVAC Copper Fittings | McMaster-Carr

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227 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.

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.

Nuts for 45° Flared Fittings
for Copper and Brass Tubing

Supported 45° Flared Fittings
for Copper and Brass Tubing

The flared end of the fitting nests inside the fitting body, providing extra support to the tubing. Fittings are also known as inverted 45° flared fittings.

How to Identify and Measure Fittings

45° Flared Fittings for Copper and Brass Tubing

45° Flared Fittings for Copper and Brass Tubing

Nuts for 45° Flared Fittingsfor Copper and Brass Tubing

Supported 45° Flared Fittingsfor Copper and Brass Tubing

Nuts for Supported 45° FlaredFittings for Copper and Brass Tubing

Nuts for 45° Flared Fittings
for Copper and Brass Tubing

Supported 45° Flared Fittings
for Copper and Brass Tubing

Nuts for Supported 45° Flared
Fittings for Copper and Brass Tubing