4-40 Bushings | McMaster-Carr

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959 Products

Fastening and Joining

Standoffs

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

Weld Nuts

Weld to metal surfaces to add permanent threads

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

Rivet-Mount Nuts

Rivet-Mount Nuts

Add threads in hard-to-reach areas and materials that are too thin to be tapped

Socket Nuts

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

Building and Machinery Hardware

Adjustable Handles

Adjustable Handles

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

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

Vibration-Damping Mounts

Vibration-Damping Mounts

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

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