... 4Certificate:SGS Rail Timber Drive Screw Spike/5/8"*12" galvanized steel spiking >> Specification : DIN,GB ANSI/ASME ASTM, UIC864-1,JIS ... zinc, electro galvanize, hot dipgalvanization, Dacrotized and so on. >> We can manufacture the followings: Our strength on exporting:1.Our company ... PackagingFactory viewTesting equipmentsWorkshop Welcome your visit! Railway 5/8"*12" galvanized steel twist spiking