Shandong China Coal Industry

Chinacoal07 NST-500M Impact Wrench, Mini Twin Hammer Air Impact Wrench, Pneumatic Tool 1/2'' Mini Twin Hammer Air Impact Wrench Periodic Maintenance And Inspection: Keep tools properly lubricated to prevent wear and rust Clean clutch lubricant regularly,generally a 3/8'' air wtool should have 3/8'' oz. of lubricant for its clutch mechanism. When rools are not in use,clean and lubricate them,then store them in a clean and dry place. Always use safety googles or a face shield when operating air tools.Never wear loose clothing that might get caught in the tool and cause injuries. While installing whio hoses or quick coupler directly into the tool,use a liquid pipe selant to prevent damage to the housing from damage. Model Square drive Capacity bolt size Free speed Max. torque Air inlet(PT) Air Hose Avg.Air Counsumption Working Pressure Length*Height Weight NST-500M 1/2'' in     mm rpm ft-lb/N-M 1/4'' 3/8'' SCFM Psi   Kg(Bar) in               mm Kgs/Lbs 5/8     16 10,000 500/680 5.8 90         6.3 7.09''*5.12''   180*130 1.61/3.56