Back Home / Fasteners / Washers / FLAT WASHER SAE ZINC 7/8″ THRU HARDENED FLAT WASHER SAE ZINC 7/8″ THRU HARDENED SKU: 8SFW78 Categories: Fasteners, Washers Used to improve stress distribution, and to span large holes. Yellow zinc plated. Made from heat treated thru-hardened steel. SAE PATTERN Outside Diameter: 1-3/4″ Inside Diameter: 15/16″ Case Quantity: 25 Log In For Pricing