Precisely align, level, and adjust spacing on fasteners and shafts with these shims.

Spin these shims onto screw threads to extend the shoulder length.

Reinforce holes in soft material to keep them from collapsing around screws.

The arched shape of these washers presses up against a bolt and down against a nut to prevent loosening from wear, vibration, or temperature changes.

Designed for use with plastic screws, these acetal washers are good electrical insulators. They are excellent for use under water and in rotating assemblies.