螺絲 攻下孔徑. ○ 公制粗牙螺紋Metric Coarse Screw Threads ... M10×1.25. 8.8. 8.85(85%). 8.647. 8.912. M10×1.0. 9. 9.13(80%). 8.917. 9.153. M10×0.75.
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