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D系列钻头扩孔器参数

规格型号

金刚石钻头、扩孔器、规格

钻头-外径mm/内径mm

扩孔器-外径mm

φ56

φ56/φ39

φ56.5

φ59

φ59.5/φ41.5

φ60

φ75

φ75/φ54.5

φ75.5

φ91

φ91/φ71

φ91.5

φ110

φ111/φ90

φ111.5

φ130

φ131/φ112

φ131.5

φ150

φ151/φ131

φ151.5

φ171

φ171/φ149

φ171.5



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