Metric Hose | McMaster-Carr

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225 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.

Air Hose with Male Threaded Fittings

Air Hose with Male and Female Threaded Fittings

Metal Barbed Hose Fittings for Air and Water

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

Nuts for High-Pressure Nipples for Compressed Gas

These nuts attach to high-pressure nipples for compressed gas so you can connect your tank to the inlet of a pressure regulator.

Metal Garden Hose Fittings

Attach these fittings to garden hose for a variety of water supply applications. They are metal for better durability than plastic garden hose fittings.

Metal Barbed Hose Fittings
for Chemicals and Petroleum

Made of stainless steel, these hose fittings are more durable than plastic barbed hose fittings and have excellent corrosion and chemical resistance. Slide the barbed end into hose and secure with a clamp.

Push-On Barbed Hose Fittings for Hydraulic Fluid

Fittings have sharp barbs that grip push-on hose with no clamps or ferrules required. The more you pull on the fittings, the tighter the hose will grip. Use in low-pressure hydraulic applications up to 350 psi.

International Standard ISO Minimal-Spill
Quick-Disconnect Hose Couplings for Hydraulic Fluid

Use these couplings at pressures up to 7,200 psi. Also known as flush-face couplings, the plugs and sockets have a flat face, which allows them to mate close together, reducing fluid loss when connecting and disconnecting the line. They are compatible with International Standard ISO Minimal-Spill-shape plugs and sockets.

Beaded Hose Fittings for Coolant

A single rounded bead grips onto hose just like a barb, but has no sharp edges that could cut or damage soft hose. Slide the beaded end into hose and secure with a clamp. Use in coolant applications up to 300 psi.

Conduit and Fittings

Adapters for Flexible Plastic Conduit

Attach conduit to a knockout in an outlet box or enclosure.

Fittings for Shielded Flexible Plastic Conduit

These adapters provide electromagnetic interference (EMI) protection when connecting shielded flexible plastic conduit to a knockout in an outlet box or enclosure.

Locknuts for Metal Conduit Fittings

Secure threaded metal conduit fittings to a knockout in an outlet box or enclosure.

Locknuts for Plastic Conduit Fittings

Secure threaded plastic conduit fittings to a knockout in an outlet box or enclosure.

Machine-Mount Coolant Nozzles with Threaded Connection

Machine-Mount Coolant Nozzles
with Threaded Connection

These nozzles handle coolant pressure up to 150 psi.