Back Home / Fasteners / Washers / FLAT WASHER SAE ZINC 9/16″ FLAT WASHER SAE ZINC 9/16″ SKU: SFW96 Categories: Fasteners, Washers Used to improve stress distribution, and to span large holes. SAE PATTERN. Made from low carbon steel, zinc plated. Outside Diameter: 1-3/16″ Inside Diameter: 19/32″ Case Quantity: 50 Log In For Pricing