1)name: Carriage bolts 2)standard: DIN603 or as the buyer required 3)sizes: M6-M40 4)grade: 4.8, 8.8 5)finished: Zinc

 1)name: Carriage bolts 2)standard: DIN603 or as the buyer required 3)sizes: M6-M40 4)grade: 4.8, 8.8 5)finished: Zinc plated, black, H. D. G., plain 60raw materials: Steel, stainless steel, brass

   We can meet customer's different requirements, and adopt high-quality steel,advanced production equipment and molds by technicians.what's more, our products are under a serious testing system.

  Welcome your inquiry   .