M20 Couplings | McMaster-Carr

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Metric Rounded Trapezoidal

Metric Trapezoidal

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Stainless Steel

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Externally Threaded

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Partially Threaded

Threaded on Both Ends

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U.S.–Mexico–Canada Agreement (USMCA) Qualifying

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DFARS Specialty Metals

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Right Hand and Left Hand

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159 Products

Fluid Handling

Pipe Straights

Join lengths of pipe to send contents in one direction

Pipe Plugs

Insert into the ends of pipe to keep out dirt and debris

Hose Fittings

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

Tube and Tube Fittings

Tube and Tube Fittings

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

Fastening and Joining

Coupling Nuts

Connect and extend threaded rods

Power Transmission

Rod Alignment Couplers

Rod Alignment Couplers

Reduce wear on bearings and seals by flexing when the cylinder and load aren't precisely even

Precision Lead Screw Nuts

Precision Lead Screw Nuts

Pair with precision lead screws for accurate starts and stops in your assembly

Lead Screw Nuts

Lead Screw Nuts

Mate with lead screws to move components in a straight line

Connecting Rods

Connecting Rods

Use with rod ends and swivel joints to link components in push/pull assemblies

Rod Ends

Use with connecting rods to support loads and control steering, tensioning, or pivoting motion

Electrical Power, Networking, and Controlling

Conduit and Fittings

Conduit and Fittings

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

Metric Circular Receptacles

Metric Circular Receptacles

Install in walls and panels and pair with plugs to make metric connections

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)