Back Home / Fasteners / Washers / FLAT WASHER PLAIN F436 1/2″ BOLT SIZE FLAT WASHER PLAIN F436 1/2″ BOLT SIZE SKU: XF436-50 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: 1.031/1.095 Inside Diameter: .531/.563 Case Quantity: 100 Log In For Pricing