Chinese Standard: GB/T 29.1-2013

Hexagon bolts with slot on head

全国紧固件标准化技术委员会(SAC/TC 85)

本标准规定了螺纹规格为M 3～M 12、全螺纹、性能等级为5.6、8.8、10.9、A2-70、A4-70、CU2、CU3和AL4级、产品等级为A级的六角头带槽螺栓。
本标准规定的螺栓是在GB/T 5783产品的头部制出一字槽。

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