1 grade: A2-70/A4-70
2.Certification:ROHS, REACH and the certification of ministry of railways.
3.Size:M3-M56
4.Standard :DIN/ISO/ANSI
5 Material: stainless steel SS304, SS316 and SS410.
6.packing : standard export packing or according to customer's request.
7.delivery time: regular products is about 3-20 days, custom products will according to special requirement.