China 'GB/T 18230.1-2000
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 18230.1-2000
Hexagon bolts for high-strength structural bolting with large width across flats(thread lengths according to GB/T 3106)--Product grade C--Property classes 8.8 and 10.9 栓接结构用大六角头螺栓 螺纹长度按GB/T 3106 C级 8.8和10.9级
Issued Date:2000-10-17
Implemented Date:2001-05-01
Issued by:
The Standardization Administration of the People's Republic of China