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Chinese Standard: GB/T 970.1-2008

Circular screwing dies—Part 1:The types and dimensions for circular screwing dies and die stocks

MOD  ISO 2568:1988

全国刀具标准化技术委员会(SAC/TC 91)

本部分规定了圆板牙和圆板牙架的型式和尺寸的基本要求。
本部分适用于加工普通螺纹(GB/T 192~193、GB/T 196~197)6g公差带的手用和机用圆板牙及配套的手用圆板牙架。根据使用需要也可生产6e、6f、6h公差带的圆板牙,按6g制造的圆板牙,在大多数情况下也可满足6h公差带的需要。

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