M20 Couplings | McMaster-Carr

Filter by

System of Measurement

Thread Size

Material

Stainless Steel

Thread Type

Metric Rounded Trapezoidal

Metric Trapezoidal

Thread Pitch

Fitting Type

Gender

Nut Type

Externally Threaded

Length

ID

Shape

Shank Thread Size

OD

Connects To

Threading

Partially Threaded

Threaded on Both Ends

Finish

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

Export Control Classification Number (ECCN)

Shank Center Length

RoHS

Compliant with Exemptions

For Use With

Hydraulic Fluid

REACH

DFARS Specialty Metals

Shank Gender

Pipe Size

Fitting Connection

How can we improve?

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 Ends

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

Connecting Rods

Connecting Rods

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

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

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.)