DR-285 75m kelly bar rotary drilling rig
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The rotary pile driver is suitable for small and medium-sized projects, equipped with friction type and mechanical locking drill pipe drilling. Equipped with KOMATSU chassis, it has excellent stability and reliability.
It's a multi-purpose strong power rotary pile machine, which can be widely used in a variety of working conditions. It can be equipped with Weichai, Cummins brand engines, Kawasaki hydraulic system, DOOSON Rotary drive reducer, etc. This type of rotary pile machine can be matched with different types of drill bits, which can be selected according to the construction environment and engineering needs. For example, when the surface layer of the construction site is concrete and the lower layer is ordinary sandy soil, you can first choose the spiral drill to drill the hole, and then select the barrel drill for the construction. When the construction site is hard soil, water can be injected with a small-diameter two-way open-tube drill bit to reach the required depth, and then the hole will be expanded according to the required width. The drill rod of this rig is Kelly bar, which can be customized according to customer requirements.
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