Chinese Standard: GB/T 2674-2017

Hexalobular socket raised countersunk head screws

MOD  ISO 14584:2011

全国紧固件标准化技术委员会(SAC/TC 85)

本标准规定了内六角花形半沉头螺钉的型式尺寸、技术条件和标记。
本标准适用于螺纹规格为M2～M10、性能等级为4.8、A2-70、A3-70、CU2和CU3、产品等级为A级的内六角花形半沉头螺钉。

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