Metric Pipe | McMaster-Carr

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11,576 Products

Fluid Handling

Pipe and Pipe Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases through your facility

3,546 products

Tubing

Typically more flexible than pipe for carrying liquids and gases in short runs around equipment

744 products

Tube Fittings

Make threaded, push to connect, barbed, and other types of connections between lengths of tube

5,173 products

Hose Fittings

Create threaded, barbed, quick-disconnect, and other types of connections between lengths of hose

1,206 products

Heat Pipes

Protect equipment from damage by routing heat away, toward a heat sink

33 products

Sights

Observe and monitor the contents of pipes, tanks, and other containers

38 products

Manual On-Off Valves

Start and stop flow through a line

147 products

Solenoid On-Off Valves

A solenoid withstands rapid cycling for applications with frequent opening and closing

11 products

Raw Materials

Stainless Steel

Resists corrosion and chemicals in most environments—all with material certificates for traceability

15 products

Steel

Strong, machinable, and weldable—all with material certificates for traceability

13 products

Plastic

A lightweight alternative to metal and glass

16 products

Brass

More machinable than copper and bronze—all with material certificates for traceability

9 products

Glass

Clear and highly heat and chemical resistant; often used in sights, lighting, and lab equipment

29 products

Garolite

A strong, machinable alternative to metal and plastic widely used in circuit boards and gears

4 products

Building and Machinery Hardware

Flush-Fit Framing Rails

Join flush-fit framing rails to build smooth stair and platform railings

1 product

Clamp-On Framing and Fittings

Two-piece fittings let you modify assembly stations, conveyors, and racks without dismantling them

9 products

Heating, Ventilation, and Air Conditioning

Duct Flanges

Mount on equipment to start a run of duct, or create a secure joint between two sections

20 products

Sealing

Pipe Gaskets

Form tight seals when connecting flanged pipe fittings

81 products

Fabricating and Machining

Pipe Benders

Make smooth, accurate bends in round heat pipe to route heat away from electronic components

3 products

Electrical Power, Networking, and Controlling

Conduit and Fittings

Protect wiring from impact and the environment in runs indoors, outdoors, and underground

91 products