M12 Couplings | McMaster-Carr

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System of Measurement

Thread Size

Material

Stainless Steel

Gender

Pitch

Thread Pitch

Thread Type

Metric Rounded Trapezoidal

Metric Trapezoidal

UN/UNF (SAE Straight)

Shape

Length

Hex Length

Fitting Type

Nut Type

Externally Threaded

DFARS Specialty Metals

Number of Poles

REACH

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

Thread Length

Shank Thread Size

Specifications Met

Fed. Spec. QQ-A-200/8

ID

Hex Size

Thread Fit

Metric Class 6g

Metric Class 6G

Metric Class 6H

Metric Trapezoidal Class 7H

Unified Standard Class 2A

Unified Standard Class 2B

Tensile Strength

10,000 psi to 19,999 psi

20,000 psi to 39,999 psi

40,000 psi to 99,999 psi

100,000 psi or greater

Electrical Connection Coding

Threading

Partially Threaded

Threaded on Both Ends

How can we improve?

866 Products

Fastening and Joining

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Coupling Nuts

Connect and extend threaded rods

Standoffs

Separate, position, or connect components in assemblies

Threaded Rod Collars

Threaded Rod Collars

Hold and position parts on a threaded rod

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

Tube Fittings

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

Hose Fittings

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

On-Off Valves

Start and stop flow through a line

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

Precision Lead Screw Nuts

Precision Lead Screw Nuts

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

Rod Alignment Couplers

Rod Alignment Couplers

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

Lead Screw Nuts

Lead Screw Nuts

Mate with lead screws to move components in a straight line

Electrical Power, Networking, and Controlling

Metric Circular Adapters

Metric Circular Adapters

Join connectors of different sizes, configurations, or types

Metric Circular Sockets

Metric Circular Sockets

Pair with plugs to make metric connections

Metric Circular Plugs

Metric Circular Plugs

Pair with sockets or receptacles to make metric connections

Metric Circular Receptacles

Metric Circular Receptacles

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

Power Receptacles

Power Receptacles

Install in a wall or panel to transmit power to plugs or sockets

Conduit and Fittings

Conduit and Fittings

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

Lubricating

Grease Fitting Adapters

Grease Fitting Adapters

Mate grease fittings when the sizes and thread types don't match

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