Nut: Nylon nut, hex nut, square nut, heavy nut, flange nut and normal nut Suzhou Suyu Railway Material Co., Ltd is a ... 136RE, UIC54, UIC60, TJ45, TJ57, and BS60, BS75Tie plate: Cast AREMA Rail tie plates and UIC standard sole plateRailway bolt ... , and Wl22Flat washer: Uls6, Uls7Spring washer: Fe6Nut: Nylon nut, hex nut, square nut, heavy nut, flange nut and normal nutShoulders for pandrol type clips