QCH43-D48.6-W330-d14 /QCH44-D50-W280-d15内螺纹型动力输送滚筒

动力滚筒QCH01/02 QCH11/12 QCH21/22 QCH41/42 QCH43/44QCH61/62

QCH41 QCH42 QCH43 QCH44 QCH61/62-D48.6 D50-W-S11 S12-d14 d15

QCH41 QCH42 QCH43 QCH44 QCH61/62-D48.6 D50-W-S11 S12-d14 d15

QCH41 QCH42 QCH43 QCH44 QCH61/62-D48.6 D50-W-S11 S12-d14 d15

直QCH槽纹高速钢HSS用丝螺锥M40M机441M42M43M4公制丝攻

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