丝锥加长加大1.5
塞规螺纹5.51.5
非标丝锥切削1.5
丝锥螺纹1.751.25
塞规1.56061
板牙M55M56M60
非标丝锥1.558
丝锥切削1.565
螺纹成量塞规M54
塞规螺纹1.564
塞规螺纹1.5m64x1
丝锥标定哈尔滨钢丝
丝锥德国SERTAN1.5
板牙1.55758
塞规螺纹高精度1.5
塞规螺纹6g6H7HM65x4
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