R─618型钻机大口径钻头用复合型截齿

Composite Cutters Used in Largediameter Bit for R 618 Drilling Machine

介绍了一种新型桩基工程中常用的复合型截齿。该截齿经武汉地质勘察基础工程总公司在长江广场与进口截齿和国内仿制截齿应用对比，表现出多项独特性能。

A new type of composite cutter bits applied to pile foundation engineering is introduced. The cutter bit possess of several distinctive features comparing with the cutter bits imported from foreign countries and the domestic copy cutter bits by engineering application of Wuhan geological survey and foundation engineering corporation in Changjiang square.