Products Information Themechanical grade is 12.9, case hardening is HRC 38-42, Material is 40CR,and the surface is treated with bluing, screw thread has two type description, one is the metric system:M12-M24-6g, another is denominator system:1/2-1/4--2A.the specification can be customized Design / Structure / Details Pics Bolt drawing: Products show: We have thousands different part number ,such as :

SM9/16*1 14/25
9W9265+8H5724	D3
3S8182+7H3607	D5,D6C
6V0937+7H3607	D5,D6H
1171617+7H3608
SM3/4*2	D6H
5P4130+7H3608	D8L,D7H,D8N
SM3/4*2 7/25	D7G
3S0336+7H3608	D7,D7E,571,572E
5P7665+7H3608
SM3/4*2 16/25	D8N
9S2727+7H3609	D8K
9W8328+7H3609	D9H,D9N,D9L
7T1248+7H3609

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