Pneumatic drill Zqsj-140/4.3 Product Introduction: Portable Pneumatic Drill is suitable for coal seam detection, water exploration and drainage, gas drainage, water injection in coal body, pressure relief hole, roadway penetration advance hole, roadway screw support hole, etc. Explosion-proof, large torque, high speed, light weight, small size, high efficiency, simple structure and convenient maintenance. The Portable Pneumatic Drill has passed CE certification, been identified as the scientific and technological achievement of Hebei Province, and won the third science and technology award of Hebei Province. Technical features: Structure The stainless steel shell replaces the casting or welding construction, and the quality is reliable. High Strength The new inlaid valve body structure integrates the shell and the valve body, with simple installation, convenient maintenance and high durability. Low noise level Unique built-in noise reduction structure, low noise and good performance.