Chinese Standard: GB/T 35481-2017

Hexalobular bolts with flange

全国紧固件标准化技术委员会(SAC/TC 85)

本标准规定了六角花形法兰面螺栓的型式尺寸、技术条件和标记。

本标准适用于螺纹规格为M5～M20、粗牙螺纹和螺纹公称直径d=8 mm～20 mm、细牙螺纹，性能等级为8.8、10.9级，A270及A470，产品等级为A级的六角花形法兰面螺栓。

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