無屑絲攻 (CRT) 螺紋下孔徑表. 公制螺紋Metric Screw Threads. 標稱. Nominalsize. 1級螺紋用下孔徑JIS class 1 drill hole dia. 2級螺紋用下孔徑JIS class 2 drill ...
確定! 回上一頁