1.Product:High strength segment bolt 2.Place of origin:Fujian China (Mainland) 3.Grade:10.9-12.9 4.Material: 40Cr, 35CrMo

1.We do the surface treatment with phosphorization or black,it's up to you;

2.The case hardening is HRC 38-45;

3.We can provide the bolts with diameter from1/2 to 1.1/8,M12-M30;

4.The material is 45Cr or 35CrMo,our suppliers are realiable ones such as Hangzhou Iron and Steel,Shougang,etc.

5.Certificate: ISO9001-2008,ISO14001:2004