China 'GB/T 32076.9-2017
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 32076.9-2017
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
Issued Date:2017-07-12
Implemented Date:2018-02-01
Issued by:
The Standardization Administration of the People's Republic of China