We can produce many items of screw spike:ASTM-A66 series, UIC series, Ss series
Grade 4.8 ,5.6
Surface: Plain ,H.D.G,Black

If you have any interested,please feel free to contact me.

Frank Shen
Sales Manager
Zhejiang Qifeng Hardware Make Co.,Ltd
ADD:Haitang Industrial Zone, Xitangqiao Town,Haiyan County,Zhejiang Province China
FAX : +86-573-8685-1478
TEL : +86-573-8685-1466
MB : + 86-136-56836356
Website:http://www.qfwj.com
Emai: frank@qfwj.com