Choose these washers for their adherence to strict military standards for material and construction.

USS washers generally have a larger ID and OD than SAE washers.

Designed for use with A325 structural screws, studs, and nuts, these washers are often used for construction and exterior building applications.

These washers surpass most other plastic washers when it comes to withstanding chemicals, oil, and grease.

Low moisture absorption and good heat resistance make these washers suitable for wet and harsh environments.

Square washers fit into slots and channels and have flat sides to keep them from rotating.

Choose these washers for their adherence to strict military standards for material and construction.

Compared to standard split lock washers, these are thicker and have larger outside diameters.

Internal teeth dig into the screw head while the smooth outside edge won't snag objects. Use with fasteners that have small heads, such as fillister and cheese head screws.

Comparable to NORD-LOCK® and Sherex TEC Series washers, these two-piece washers provide more locking power than split, tooth, and spring lock washers. Wedges on the inside lock the two pieces together, and serrations on the exterior grip surfaces to resist loosening from high vibration and shifting.

With three points of surface contact, these washers provide more stability than single-wave washers.

These polyurethane washers withstand wet conditions as well as sunlight, ozone, and some chemicals.