Nut: Nylon nut, hex nut, square nut, heavy nut, flange nut and ... 115RE, 136RE, UIC54, UIC60, TJ45, TJ57, and BS60, BS75Tie plate: Cast AREMA Rail tie plates and UIC standard sole plateRailway bolt ... washers: WL20, WL24, and Wl22Flat washer: Uls6, Uls7Spring washer: Fe6Nut: Nylon nut, hex nut, square nut, heavy nut, flange nut and ...