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HSCO含钴高速钢麻花钻0.730mm h8 DIN 1897 329 0.730
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HSCO含钴高速钢麻花钻0.740mm h8 DIN 1897 329 0.740
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HSCO含钴高速钢麻花钻0.750mm h8 DIN 1897 329 0.750
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HSCO含钴高速钢麻花钻0.790mm h8 DIN 1897 329 0.790
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HSCO含钴高速钢麻花钻0.8mm h8 DIN 1897 329 0.800
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HSCO含钴高速钢麻花钻0.810mm h8 DIN 1897 329 0.810
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HSCO含钴高速钢麻花钻0.820mm h8 DIN 1897 329 0.820
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HSCO含钴高速钢麻花钻0.840mm h8 DIN 1897 329 0.840
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HSCO含钴高速钢麻花钻0.850mm h8 DIN 1897 329 0.850
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HSCO含钴高速钢麻花钻0.870mm h8 DIN 1897 329 0.870
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HSCO含钴高速钢麻花钻0.9mm h8 DIN 1897 329 0.900
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HSCO含钴高速钢麻花钻0.910mm h8 DIN 1897 329 0.910
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HSCO含钴高速钢麻花钻0.940mm h8 DIN 1897 329 0.940
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HSCO含钴高速钢麻花钻0.950mm h8 DIN 1897 329 0.950
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HSCO含钴高速钢麻花钻0.960mm h8 DIN 1897 329 0.960
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HSCO含钴高速钢麻花钻0.970mm h8 DIN 1897 329 0.970
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HSCO含钴高速钢麻花钻0.990mm h8 DIN 1897 329 0.990
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HSCO含钴高速钢麻花钻1.0mm h8 DIN 1897 329 1.000
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HSCO含钴高速钢麻花钻1.020mm h8 DIN 1897 329 1.020
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HSCO含钴高速钢麻花钻1.030mm h8 DIN 1897 329 1.030