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水平定向钻孔是面向未来的技术，用于在工业区和居民区钻凿埋设电缆、光缆、公用设施管道及灌溉渠道用的地下孔道。凯斯公司的履带式水平定向钻孔机采用标准液压扳手，可匹配４．５－６ｃｍ不同直径的钻杆，凹陷式或平头式工具接头。２００ＴＸ和４００ＴＸ型钻孔机的钻架上配
Horizontal directional drilling is a future-oriented technology for drilling underground tunnels for laying cables, fiber optic cables, utility pipes and irrigation channels in industrial and residential areas. Case’s Crawler Horizontal Directional Drills use standard hydraulic wrenches to match 4.5-6cm drill pipes of different diameters, recessed or flathead tools. 200TX and 400TX drilling machine drill rack on the allocation