Please contact 13934201600 QQ929181092 call or visit our website www.wanzejinda.com) we will be the best quality and most reasonable price products give you the most satisfactory service QCZ-1 pneumatic impact drill mine drill pneumatic drill small handheld pneumatic pneumatic drill pneumatic hammer drill pneumatic drill pneumatic drill mine mine QCZ-1 pneumatic hammer drill impact drill is mainly used for rock, brick, concrete and other member perforated for pipeline installation, erection and installation of power lines with anchor bolts, etc., It is to improve efficiency, reduce labor intensity and the necessary tools. Power, no spark, in the high-gas coal mine in particular reflect their safety. Technical parameters Dimensions 255 * 178 * 76mm Weight 4kg cylinder piston stroke 32mm 34mm 13mm tube diameter ≥ 2.5J impact energy impact frequency ≥ 43HZ No load speed 200r/min Air consumption ≤ 12L / S Shanxi Wan Kam Chak Mining Machinery Equipment Co., company for many years engaged in mining equipment manufacturing and R & D, with the strength to prove quality, welcome new and old friends to negotiate Sales Tel: 13934201600 sales hotline 0351 -5263077