screw spike ,threading spike ,spike for concrete spike, square head scew spike ,coach spike ,threading spike,tack spike,stud spike
1.material:steel, Q235, 35# ,45# ,40Mn2, 20MnSi
2.mould ,M22,m24
3.function,rail fastener
4.certificate:ISO9001
5.packing: knit bags(less than 50 kg) ,if need ,then coated on tray or according to customer’s request.
6.finishing , Plain, zinc-plated, Dacromet, Multiple gas permeation or according to customer’s requirement.
7.can make as customer's drawing
8.MOQ: if our standard ,1 pcs 
            if as your drawing:1000PCS
9.competive price and best service