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HSCO含钴高速钢麻花钻11.4mm h8 DIN 1897 蒸汽处理329 11.400
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HSCO含钴高速钢麻花钻11.5mm h8 DIN 1897 蒸汽处理329 11.500
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HSCO含钴高速钢麻花钻11.510mm h8 DIN 1897 蒸汽处理329 11.510
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HSCO含钴高速钢麻花钻11.6mm h8 DIN 1897 蒸汽处理329 11.600
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HSCO含钴高速钢麻花钻11.7mm h8 DIN 1897 蒸汽处理329 11.700
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HSCO含钴高速钢麻花钻11.8mm h8 DIN 1897 蒸汽处理329 11.800
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HSCO含钴高速钢麻花钻11.910mm h8 DIN 1897 蒸汽处理329 11.910
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HSCO含钴高速钢麻花钻12.0mm h8 DIN 1897 蒸汽处理329 12.000
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HSCO含钴高速钢麻花钻12.1mm h8 DIN 1897 蒸汽处理329 12.100
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HSCO含钴高速钢麻花钻12.2mm h8 DIN 1897 蒸汽处理329 12.200
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HSCO含钴高速钢麻花钻12.3mm h8 DIN 1897 蒸汽处理329 12.300
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HSCO含钴高速钢麻花钻12.4mm h8 DIN 1897 蒸汽处理329 12.400
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HSCO含钴高速钢麻花钻12.5mm h8 DIN 1897 蒸汽处理329 12.500
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HSCO含钴高速钢麻花钻12.6mm h8 DIN 1897 蒸汽处理329 12.600
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HSCO含钴高速钢麻花钻12.7mm h8 DIN 1897 蒸汽处理329 12.700
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HSCO含钴高速钢麻花钻12.8mm h8 DIN 1897 蒸汽处理329 12.800
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HSCO含钴高速钢麻花钻12.9mm h8 DIN 1897 蒸汽处理329 12.900
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HSCO含钴高速钢麻花钻13.0mm h8 DIN 1897 蒸汽处理329 13.000
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HSCO含钴高速钢麻花钻13.1mm h8 DIN 1897 蒸汽处理329 13.100
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HSCO含钴高速钢麻花钻13.2mm h8 DIN 1897 蒸汽处理329 13.200