Quick view 3/8" X 3/4" Flat Washers, AISI 304 Stainless Steel (18-8) Type 304 stainless steel is defined as a Chromium-Nickel austenitic alloy.Stainless steel significantly improves resistance to tarnishing or corrosion.The nominal diameter is the bolt size to use for this flat washer.Diameter (Nominal): 3/8"Length... $278.90 Select Quantity Compare