SS Plain Washer – Corrosion-Resistant Load Distribution SS Plain Washers are flat, circular washers made of stainless steel (SS 304 / SS 316), designed to evenly distribute the load of bolts, screws, and nuts while protecting the surface from damage. They are essential for ensuring secure, stable, and long-lasting fastened connections. Manufactured from premium-grade stainless steel, these washers offer excellent corrosion resistance, durability, and strength, making them ideal for marine, outdoor, industrial, automotive, and construction applications.