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HPR35A Mini rotary drilling rig offers low clearance and lightweight construction as its core advantages, making it ideal for confined working environments and complex site access requirements.
Engineered for foundation construction, the HPR38-20 is a compact, high-performance mini drilling rig built to excel in confined, low-clearance environments—from under bridges and power lines to indoor construction sites, with zero access barriers.
HPR45-16 mini rotary drilling rig has a maximum drilling depth of 16 metres, with a drilling diameter range of 300 to 1000 millimetres. The machine weighs 12,000 kilograms.
Customized high-power engine with dual drive power head and large output torque, which can meet the requirements of complex formation construction and high construction efficiency.
It is made of high quality steel GB-Q345B with special soil teeth which can avoid inclined hole. This tool is applicable to different layers such as clay, high-weathered layer, gravel, etc. It is a reliable and efficient drill tool for drilling deep hole and wide range of applications.
Work stably-combined action of counterweight frame and ground anchor fix the bottom of oscillator to the ground firmly and reduce the reaction torque generated by oscillator to rig.
Positioned at the top of the drill string, the Kelly Bar primarily serves to transmit torque and bear the total weight of the drill string. It is a critical component for ensuring the stable operation and precise penetration of drilling equipment in numerous fields, including oil drilling, construction foundation boring, and mining. Its efficient torque transmission enables the drill bit to power through various soil and rock formations, guaranteeing the smooth progression of drilling operations.

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