Back Home / Fasteners / Washers / FLAT WASHER PLAIN F436 1″ BOLT SIZE FLAT WASHER PLAIN F436 1″ BOLT SIZE SKU: XF436-1 Categories: Fasteners, Washers Used to improve stress distribution, and to span large holes. Made from heat treated thru-hardened steel, plain. For use with 8.8 and 10.9 screws and studs. Outside Diameter: 1.937/2.063 Inside Diameter: 1.063/1.126 Case Quantity: 50 Log In For Pricing