... track fittings Details of the product:1Materials: Carbon steel2Size: 20*145/22*150 3Standard: AS, (ASME, DIN,J IS, GB, ISO ... : 3. Product: Square head screw spike with washer AS 20*145 chamfering square head screw spike; 22*150 no chamfering screw ... view figures:packaging factory viewTesting equipmentsWorkshop Welcome your visit! 20*145/22*150 Square head screw spike of railway track fittings