Flexible Pipe Couplings | McMaster-Carr

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300 Series Stainless Steel

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160 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 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.

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

Connect two pipes that are up to 100 feet apart—cut the connector to the length you need and attach a clamp to each end.

Clear-View Standard-Wall Plastic Pipe for Water

See inside your line with this clear pipe, which works in a variety of residential and commercial low-pressure plumbing and water supply applications.

Semi-Flexible Plastic Pipe for Water

Connect to barbed plastic pipe fittings with a clamp. Pipe isn't as bendable as soft tubing, but can still bend around objects, resulting in fewer connection points in your line. Fewer connection points not only shortens installation time, but also allows for smoother flow through the line.

Underground Snap-Lock Polyethylene
Pipe for Drain, Waste, and Vent

Pipe has a snap-together design that allows you to quickly connect to fittings with no cement required. It is typically used in gravity-flow drainage applications.

Pipe and Pipe Fittings

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

Cut-to-Length Low-Pressure Clamp-OnConnectors for Drain, Waste, and Vent

Clear-View Standard-Wall Plastic Pipe for Water

Semi-Flexible Plastic Pipe for Water

Underground Snap-Lock PolyethylenePipe for Drain, Waste, and Vent

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

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

Underground Snap-Lock Polyethylene
Pipe for Drain, Waste, and Vent