GB/T 819.2-1997
China national
standard english version:
GB
中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 819.2-1997
Cross recessed countersunk flat head screws(common head style)--Grade A--Part 2:Steel ofproperty class 8.8,stainless steel and non-ferrous metals 十字槽沉头螺钉 第2部分:钢8.8、不锈钢A2-70和有色金属CU2或CU3
Issued Date:1997-08-05
Implemented Date:1998-04-01
Issued by:
The Standardization Administration of the People's Republic of China