screw spike Jun. 1, 2009 1:21:09
Whatever the standards, ASTM, DIN, BSW, GB, JIS, UIC, Russian or drawings from customers.
Materail: Carbon steel or stainless steel, Q195, Q235, 35# , 45# , 35CrMo, 42CrMo, 40Cr etc.
Protection: plain ....
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