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 |
Drill Bits D
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