螺絲 攻下孔徑螺絲攻下孔徑. 公制粗牙螺紋Metric Coarse Screw Threads M6×1.0 5 5.13(80%) 4.917 5.153 M7×1.0 6 6.13(80%) 5.917 6.153 M8×1.25 6.8 6.85(85%) 6.647 ...
確定! 回上一頁