GB/T 32076.1 Preloaded high strength bolted structural connections - Part 1: General requirements
GB/T 32076.2 Preloaded high strength bolted structural connections part 2: preload adaptability
GB/T 32076.3 High-strength structural bolting assemblies for preloading.Part 3:System HR.Hexagon bolt with large width across flats and nut assemblies
GB/T 32076.4 Preloaded high-strength bolted structural joints - Part 4: HV-type large hexagonal head bolt and nut joints
GB/T 32076.6 Preloaded high strength bolted structural connections - Part 6: Chamfered flat washers
GB/T 32076.7 Connection pairs of preloaded high-strength bolted structures Part 7: M39~M64 large hexagon head bolt and nut connections
GB/T 32076.8 High-strength structural bolting assemblies for preloading—Part 8: Torshear type bolt with cup head,and nut assemblies
GB/T 32076.9 High-strength structural bolting assemblies for preloading—Part 9: Torshear type bolt with hexagon head with large width across flats,and nut assemblies