Y19A Pneumatic Rock Drill

chinacoal07 https://www.chinacoalintl.com https://m.chinacoalintl.com/ :hand-held type pneumatic rock drill; pneumatic rock drill Product Introduction 1. The machine is mainly used in small quarries,small coal mines and limestone mines for drilling,blasting for constructing roads in mountain areas,also in the capital construction for water conservancy works. 2. it is suitable for drilling works in large mines for boulder blasting and other projects as well. 3. When it is