- First-ever drill rig built on 30-inch wide tracks - Utilizes both hollow-stem and solid-stem augers - Performs both SPT and Modified California sampling - Able to drill down to depths exceeding 20 feet - Our team includes a highly-skilled rock star operator
[pdf] A rotary drilling rig is a construction machinesuitable for hole-forming operations in building foundation engineering. It is mainly suitable for sandy soil, cohesive soil, silty soil, fill layer, and silt layer, so.
[pdf] A rotary drilling rig works by rotating a drill string, which applies downward pressure to a drill bit that grinds the earth. Drilling fluid or air is pumped down the drill string to cool the bit, carry cuttings to the surface, and stabilize the borehole.
[pdf] 
