Bronze Couplings | McMaster-Carr

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588 Products

Brass and Bronze Pipe and Pipe Fittings

Low-Pressure Brass and
Bronze Threaded Pipe Fittings

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

Low-Pressure Brass and
Bronze Threaded Pipe Flanges

Also known as Pressure Class 150 flanges, these brass flanges are designed for low-pressure applications.

Medium-Pressure Brass and
Bronze Threaded Pipe Fittings

Choose these fittings when you need better strength than our low-pressure brass and bronze pipe fittings.

Bronze Unthreaded Pipe Fittings

Also known as Silbraze fittings.

Brass and Bronze Unthreaded Pipe Flanges

Bolt these flanges to another same-size flange with a gasket to create an access point within a pipe line. They are also known as Silbraze flanges.

Tubing and Tube 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.

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.

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.

Press-Connect Fittings for Drinking Water

Connect drinking water lines with ease—these one-piece fittings have a built-in sleeve that crimps onto tubing for a leak-tight connection that doesn’t require heat or soldering. These fittings meet NSF/ANSI 61 for drinking water systems and are compatible with Viega PEX tubing.

Metal Barbed Hose Fittings for Air and Water

Metal hose fittings have better durability than plastic barbed hose fittings.

Lead Screws and Screw Jacks

Precision Acme Lead Screws and Nuts

Also known as single-start and self-locking lead screws and nuts, these have a single thread that runs the length of the screw. The nut travels only when the screw turns, so your system won't unexpectedly move when the lead screw is at rest.

Fast-Travel Precision Acme Lead Screws and Nuts

Multiple thread channels (also known as thread starts) create faster linear travel than lead screws with a single thread start.

Metric Precision Lead Screws and Nuts

Also known as trapezoidal-thread lead screws and nuts.

Acme Lead Screws and Nuts

Found in hand-powered clamps, vises, grates, doors, and work tables, lead screws and nuts have broad, square threads that are well suited for quick assembly, high clamping forces, and lifting and lowering heavy objects.

Metric Lead Screws and Nuts

These metric lead screws and nuts have broad, square threads that are well suited for quick assembly, high clamping forces, and lifting and lowering heavy objects. They're commonly found in hand-powered clamps, vises, grates, doors, and work tables.

Brass and Bronze Pipe and Pipe Fittings

Low-Pressure Brass andBronze Threaded Pipe Fittings

Low-Pressure Brass andBronze Threaded Pipe Flanges

Medium-Pressure Brass andBronze Threaded Pipe Fittings

Bronze Unthreaded Pipe Fittings

Brass and Bronze Unthreaded Pipe Flanges

Tubing and Tube Fittings

Solder-Connect Fittings for Copper Tubing

Press-Connect Fittings for Copper Tubing

Barbed Tube Fittings for Drinking Water

Press-Connect Fittings for Drinking Water

Metal Barbed Hose Fittings for Air and Water

Metal Barbed Hose Fittings for Air and Water

Lead Screws and Screw Jacks

Precision Acme Lead Screws and Nuts

Fast-Travel Precision Acme Lead Screws and Nuts

Metric Precision Lead Screws and Nuts

Acme Lead Screws and Nuts

Metric Lead Screws and Nuts

Low-Pressure Brass and
Bronze Threaded Pipe Fittings

Low-Pressure Brass and
Bronze Threaded Pipe Flanges

Medium-Pressure Brass and
Bronze Threaded Pipe Fittings