Chinese Standard: GB/T 70.4-2015

Hexagon socket button head screws with collar

MOD  ISO 7380-2:2011

全国紧固件标准化技术委员会(SAC/TC 85)

GB/T 70的本部分规定了螺纹规格为M3～M16、性能等级为08.8、010.9级、产品等级为A级，按表3降低承载能力的内六角平圆头凸缘螺钉的型式尺寸、技术条件和标记。

本部分适用于使用内六角扳手拧入机体内螺纹的内六角平圆头凸缘螺钉。

This standard is the original Chinese electronic standard.
After you successfully purchase, we will send the electronic version of this standard to your email address.
If you need translation, please contact email: ChineseStandardsLibraryS001@gmail.com.