... Specifications Size from: M5 - M42 Length: 10mm-200mm Hexagon head bolt: Treatment: HDG, Zinc, Black... Carbon steel: Grade/class ... , high strength bolts, screws, nuts, threaded rod, anchor bolt, nail, other off-standard fasteners and following to the drawers ... international standards including ANSI, ASTM (America), DIN (Germany), GB (China), UNI, JIS (Japan), ISO and TCVN (Vietnam).1.Application: ...