Pneumatic wrench, a safe explosion-proof, torque, light weight, small size, high efficiency, simple structure, easy maintenance and a series of features. Stable output can meet the speed requirements under coal mine air pressure fluctuation is large, can be used for the nut and bolt assembly and dis-assembly U-shaped steel bracket bracket nut tightening and removal of resin bolt stirred and other mechanical and electrical equipment can be improved U-shaped steel brackets and anchor the stent performance, supporting quality assurance. The series can be widely used in automotive air trigger, shipbuilding, petrochemical, rolling stock, engineering, construction and other industries.

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