screw spike
Type : Ss5. Ss8. Ss25 . Ss36 ......
Raw material : Q235. 35#.45# . 40Mn2. 20Mnsi
Grade : 4.6.5.6.8.8
Surface: plain (oil ). black . zinc .H.D.G. etc.
Raw material : Q235. 35#.45# . 40Mn2. 20Mnsi
Grade : 4.6.5.6.8.8
Surface: plain (oil ). black . zinc .H.D.G. etc.
Main Products
railway fasteners & standard components