... BS,or by client 2size:5/8"*12" 3grade:4.6,5.6,8.8,10.9 4Certificate:SGS Rail Timber ... Drive Screw Spike/5/8"*12" galvanized steel spiking >> Specification : DIN,GB ANSI/ASME ASTM, UIC864-1,JIS, AS 1085 ... 8"--1-3/4" >> length: 60---500 >> Shape of head: Hexagon head >> Grade: 4.6,4.8,5.6,5.8,6.8,8.8,10.9,12 ... viewTesting equipmentsWorkshop Welcome your visit! Railway 5/8"*12" galvanized steel twist spiking