Zinc-Plated Stud Bolt According to Standard B18.31.2, ASTM A193 B7, Size 1/2 Inch, 13 UNC, Partial Thread Class 2A, Length 85 mm, Zinc Coating Color White-blue
Fully Threaded Hex Bolt Material ASTM A320 B8M Class 2, Size M30, Fully Threaded,Thread according to ISO261, Length 180mm, Manufacture Standard DIN 933,China Mill