M4 Couplings | McMaster-Carr

Filter by

System of Measurement

Thread Size

Material

Stainless Steel

Gender

Hex Size

Thread Length

Shape

Hex Length

Thread Pitch

Nut Type

Externally Threaded

Threading

Partially Threaded

Threaded on Both Ends

OD

Pitch

RoHS

Compliant with Exemptions

Finish

REACH

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Thread Fit

Metric Class 6g

Metric Class 6H

Unified Standard Class 2A

Unified Standard Class 2B

Tensile Strength

Less than 10,000 psi

10,000 psi to 19,999 psi

40,000 psi to 99,999 psi

100,000 psi or greater

Width

Hardness

Drive Style

Specifications Met

Thread Type

Metric Rounded Trapezoidal

How can we improve?

725 Products

Fastening and Joining

Standoffs

Separate, position, or connect components in assemblies

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Coupling Nuts

Connect and extend threaded rods

Hanger Bolts

Suspend pipe and other fixtures with wire or cable ties

Power Transmission

Brakes

Control how much and how quickly your drive system slows down

Torque Limiters

Torque Limiters

Keep torque at or below a set limit to control tension or braking or protect machinery from overload

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

Shaft Collars

Hold and position parts on a shaft, or limit shaft movement

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

U-Joints

Transfer torque between shafts at an angle; handle more torque and misalignment than flexible shafts

Building and Machinery Hardware

T-Slotted Framing Fasteners

T-Slotted Framing Fasteners

Secure brackets and other accessories to T-slotted rails

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