5/16" Stainless Steel Fender Flat Washer, 1‑1/2" OD × 0.045"–0.055" Thick, Stainless 316

Manufactured from stainless steel 316, this 5/16" fender flat washer provides superior corrosion resistance for marine, chemical, and outdoor environments. The oversized 1‑1/2" outside diameter offers increased load distribution and surface coverage to help prevent pull‑through and protect softer materials. With a thickness range of 0.045"–0.055", it is ideal for automotive, marine, industrial, and general‑purpose inch‑series applications requiring durability and maximum corrosion protection.