Midwest Fastener #4 S-Pattern Flat Washer

The Midwest Fastener #4 S-Pattern Flat Washer is designed to distribute fastener loads and protect mating surfaces against damage during tightening. Constructed from high-quality brass, this flat washer provides excellent corrosion resistance and dependable durability for a wide range of indoor and outdoor fastening tasks. Ideal for electrical, marine, automotive, and general maintenance applications, this washer delivers consistent performance when paired with standard #4 fasteners.