M4 Bushings | McMaster-Carr

Filter by

System of Measurement

Thread Size

Material

Stainless Steel

Length

Thread Pitch

Threaded Insert Type

Hex Size

Gender

Mount Type

Threaded Insert

Shape

For Use In

Nut Type

Externally Threaded

Thread Type

Metric Rounded Trapezoidal

Thread Length

Installed Length

0.25" to 0.499"

10 mm to 19.9 mm

20 mm to 24.9 mm

Height

OD

Rivet Nut Body Shape

Finish

Dry Film Lubricated

Neoprene Coated

Phosphate Coated

Tin Zinc Plated

Zinc Yellow-Chromate Plated

RoHS

Compliant with Exemptions

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Thread Fit

Metric Class 4H

Metric Class 4H6H

Metric Class 6g

Metric Class 6G

Metric Class 6H

Unified Standard Class 2A

REACH

Hardness

Durometer 50 OO

Durometer 70 OO

Threading

Partially Threaded

How can we improve?

674 Products

Fastening and Joining

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

Rivet Nuts

Add threads to thin panels with access from only one side; also known as blind inserts

Weld Nuts

Weld to metal surfaces to add permanent threads

Adhesive-Mount Nuts

Adhesive-Mount Nuts

Attach threads to material that’s too thin for a threaded insert

Standoffs

Threaded to separate or connect parts as well as position components in assemblies

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Socket Nuts

Install in recessed holes and tight spots where a wrench won’t fit; also known as Allen nuts

Building and Machinery Hardware

Vibration-Damping Mounts

Vibration-Damping Mounts

Attach to machinery to reduce vibration and noise and extend service life

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

Adjustable Handles

Adjustable Handles

Lift and turn to easily position and tighten components; also called clamping handles

Power Transmission

Lead Screw Nuts

Lead Screw Nuts

Mate with lead screws to move components in a straight line

Fabricating and Machining

Fixturing Clamps

Fixturing Clamps

Secure your workpiece to a fixture table so it won't move during machining

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