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天工丝锥6542直槽机用丝锥丝攻攻丝攻牙钻头m3m4m5m6m8m10m12螺纹m3
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螺纹_大小_大径
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m3m4m5m6m8m10304不锈钢牙棒牙条全螺纹螺丝杆通丝无头罗栓双头螺柱丰
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5m3m4m5m6m8m10m12m14m16m18m20手动螺纹套丝机 m1.7*0.
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内外牙螺套变径螺母螺纹转换滑丝修复m8转m10转m12转m14转m16m20内m10
天工丝锥6542直槽机用丝锥丝攻攻丝攻牙钻头m3m4m5m6m8m10m12螺纹m3
螺纹_大小_大径
m3m4m5m6m8m10304不锈钢牙棒牙条全螺纹螺丝杆通丝无头罗栓双头螺柱丰
5m3m4m5m6m8m10m12m14m16m18m20手动螺纹套丝机 m1.7*0.
内外牙螺套变径螺母螺纹转换滑丝修复m8转m10转m12转m14转m16m20内m10