Standard: DIN, ANSI/ASME, BS, AS
Material: C10035; C1008; C10045; 40CrMn; 35CrMn, etc.
Size: M6-M24
Grade: 4.8/6.8/8.8/10.9
Plating: Plain; Zinc plated; H. D. G.; Black; Decromet
Packaging: Bulk; Small box; Small bags; According to customers