(4) We can supply according to customer's drawing or sample.
(1)Class:10.9grade
(2)Surface:Black, phosphate, hot dip galvanized
(3) Material:20MnTiB, 40CR
High strength bolts are widely used in industry, agriculture and structure.standards: GB/T, SH, HG, H, JB, GD,ANSI.DIN etc.
Place of Origin: | China (Mainland) |