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国标牙纹对照表,牙纹对照表

螺丝攻牙钻孔径和滚造径对照表
螺丝攻牙钻孔径和滚造径对照表螺纹牙距对照表
螺纹牙距对照表螺纹基本尺寸对照表
螺纹基本尺寸对照表螺纹牙距对照表
螺纹牙距对照表m4公制螺纹螺距:粗牙0.7mm.细牙0.5mm.
m4公制螺纹螺距:粗牙0.7mm.细牙0.5mm.
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