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DTH drilling rig for quarry mining
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Diesel powered rock drill rig
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Crawler DTH rig 90-138mm hole
Descrição do produto
JK820 Crawler DTH Drilling Rig — Built for Quarry and Mining The JK820 is a crawler-mounted down-the-hole (DTH) drilling rig designed for medium to hard rock formations. It covers a hole diameter range of 90mm to 138mm with economical drilling depth of 20m and a maximum reach of 30m . Powered by a reliable diesel engine and a fully hydraulic system built with domestic first-tier brand pumps and multi-way valves, this rig is engineered to perform shift after shift with minimal
