This standard specifies the terms and definitions, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, storage and transportation and quality commitment of high-strength flange bolts for automobile chassis. This standard applies to high-strength flange bolts (hereinafter referred to as bolts) with thread specifications M10 to M14, performance level 10.9, and zinc-aluminum coating surface treatment for automotive chassis.
T/ZZB 0745-2018 history
2018T/ZZB 0745-2018 High strength flange bolts for automotive chassis