M4 Fender Washer, Stainless Steel A4 (316)

Manufactured from A4 (316) stainless steel, this M4 fender washer offers superior corrosion resistance for marine, chemical, and outdoor environments. The oversized outside diameter provides increased load distribution to help prevent pull‑through and protect softer materials. Ideal for industrial, structural, and general‑purpose metric applications requiring durability and maximum corrosion protection.