... , Screw Spikes, Bolts and Nuts, Washers, Spring Washers; 7) Guide Plate/Railway Insulator; 8) Fish Plate/Joint Bar, Tie Plate ... and samplesRaw Material: EVASurface: Plain 10. Plastic Dowel /Guide Plate/Railway InsulatorType: Many kinds available according to customers' drawings ... drawings and samplesRaw Material: QT400-15, QT450-10, QT500-7, Q235Surface: Plain, colour oiling 12. WasherType: All kinds ...