螺丝攻牙下孔径对照表

公制粗牙(M)規格下孔徑0.61M1 X0.250.750.840.73M1.1 X0.250.850.940.83M1.2 X0.250.951.040.93M1.4

腾讯文库螺丝攻牙下孔径对照表螺丝攻牙下孔径对照表