... 11mm~14mm 800Kgf~1000Kgf 14mm~15mm 650Kgf~750Kgf Surface: Plain with anti-rust oil, Bluing (Black Oxide), Painting, Zinc Plating ... railway screw, plastic dowel, rail pad, railway insulator, rail fish bolt, railway base plate, rail anchor, railway shoulder, rail bolt, flat and spring ... Diameter 7/8" Nominal Toe Load 2,000 lbs Nominal Rail Seat Clamping Force 4,000 lbs Working Deflection 0.56" Weight ...