Astro Pneumatic 1812 1/2″ Super Duty Impact Wrench – Twin Hammer

Ideal for general automotive work, light truck, farm, body shop, tire shop and front-end work, durable twin hammer impact mechanism, anvil and rotor made of a special alloyed steel that is heat treated to prevent chipping or breaking, steel hammer case provides maximum protection, two piece construction for easy maintenance, pressure feed lubrication system.Specifications:Square Drive: 1/2″ Free Speed: 7,000rpmOverall Length: 6-3/4″ (172mm)Net Weight: 5-3/5lbs. (2.60kg)Max. Torque: 450ft./lbs.Bolt Capacity: 9/16 (14mm)Air Inlet Thread NPT: 1/4″Air Hose I.D. Size: 3/8″ (10mm)Avg. Air Consumpt.: 4.20cfmAir Pressure: 90-120psiSound Level: 102dB(A)Vibration: 6.0M/S__Air consumption L/s – L/m 4.2 CFM (1.98 l/sec – 119 l/min)Max Torque NCM / NDM / NM 450 Ft/lb (610 NM 61000 NCM)Working pressure (bar) 90 PSI (6.2 bar)Pressure max. (bar) 90 PSI (6.2 bar)