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HSCO含钴高速钢麻花钻6.2mm h8 DIN 1897 蒸汽处理329 6.200
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HSCO含钴高速钢麻花钻6.250mm h8 DIN 1897 蒸汽处理329 6.250
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HSCO含钴高速钢麻花钻6.3mm h8 DIN 1897 蒸汽处理329 6.300
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HSCO含钴高速钢麻花钻6.320mm h8 DIN 1897 蒸汽处理329 6.320
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HSCO含钴高速钢麻花钻6.350mm h8 DIN 1897 蒸汽处理329 6.350
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HSCO含钴高速钢麻花钻6.4mm h8 DIN 1897 蒸汽处理329 6.400
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HSCO含钴高速钢麻花钻6.450mm h8 DIN 1897 蒸汽处理329 6.450
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HSCO含钴高速钢麻花钻6.5mm h8 DIN 1897 蒸汽处理329 6.500
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HSCO含钴高速钢麻花钻6.530mm h8 DIN 1897 蒸汽处理329 6.530
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HSCO含钴高速钢麻花钻6.550mm h8 DIN 1897 蒸汽处理329 6.550
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HSCO含钴高速钢麻花钻6.6mm h8 DIN 1897 蒸汽处理329 6.600
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HSCO含钴高速钢麻花钻6.630mm h8 DIN 1897 蒸汽处理329 6.630
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HSCO含钴高速钢麻花钻6.7mm h8 DIN 1897 蒸汽处理329 6.700
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HSCO含钴高速钢麻花钻6.750mm h8 DIN 1897 蒸汽处理329 6.750
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HSCO含钴高速钢麻花钻6.8mm h8 DIN 1897 蒸汽处理329 6.800
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HSCO含钴高速钢麻花钻6.850mm h8 DIN 1897 蒸汽处理329 6.850
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HSCO含钴高速钢麻花钻6.9mm h8 DIN 1897 蒸汽处理329 6.900
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HSCO含钴高速钢麻花钻7.0mm h8 DIN 1897 蒸汽处理329 7.000
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HSCO含钴高速钢麻花钻7.030mm h8 DIN 1897 蒸汽处理329 7.030
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HSCO含钴高速钢麻花钻7.050mm h8 DIN 1897 蒸汽处理329 7.050