Midwest Fastener 5/16 in. S-Pattern Flat Washer

The Midwest Fastener 5/16 in. S-Pattern Flat Washer is designed to distribute the load of threaded fasteners while protecting surfaces from wear and indentation. Its compact S-pattern profile provides a smaller outside diameter suitable for installations with limited clearance. Manufactured from premium brass, this flat washer delivers excellent corrosion resistance, non-magnetic properties, and long-lasting performance in hardware, automotive, electrical, and general utility applications.