Hydraulic Rock Drill

chinacoal05 www.chinacoalintl.com m.chinacoalintl.com we provide service of enterprise's customs declaration, inspection. Product Introduction Hydraulic rock drill is working efficiency is 5-10 times that of pneumatic one, while consuming 1/3 power of latter Drilling performance: applicable to hard, semi-hard and soft rocks; According to different engineering requirements, we can offer various supporting devices for different working. Main Characteristics Long piston helps