Bolt standard also available in DIN938,939, 835,working process include: cold forming,and machining,

B7 Carbon Stud Bolts:

1, Over 15years manufacturer and export experience;

2, Cooperate with first class big importers in America and European countries;

3, Wide variety of materials to include: low carbon, high tensile and alloy;

4, Working process include: cold forming, and machining, also CNC machine, can do OEM order.

5, Full sizes available to include metric, and imperial, extra big and extra small sizes.

6, ISO management.

7, Also available in DIN938, 939, 835