5/16"-18 Standoffs | McMaster-Carr

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668 Products

Fastening and Joining

Standoff Caps

Create a finished look on standoffs and protect them from dirt and debris

52 products

Standoffs

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

2 products

Coupling Nuts

Connect and extend threaded rods

27 products

Hex Nuts

Handle most general fastening needs

1 product

Thread Adapters

Join threads of a different type, size, and gender

363 products

Weld Nuts

Weld to metal surfaces to add permanent threads

40 products

Adhesive-Mount Nuts

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

10 products

Building and Machinery Hardware

Vibration-Damping Mounts

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

85 products

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

76 products

Power Transmission

Linear Bearings

Minimize friction as parts move along a shaft

12 products