Home / Standards / GB/T 32076.9-2017 GB/T 32076.9-2017 Active High-strength structural bolting assemblies for preloading—Part 9: Torshear type bolt with hexagon head with large width across flats，and nut assemblies 预载荷高强度栓接结构连接副 第9部分：扭剪型大六角头螺栓和螺母连接副 Standard Type GBT ICS 21.060.10 CCS J13 Status 现行 Issue Date 2017-07-12 Implementation 2018-02-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A