Grinder with Speed 20000 RPM has recommended air 6 kg/sq cm. Tork Air Tools Pvt Ltd manufactures Grinder with Speed 20000 RPM. Tork Air Tools Pvt Ltd also manufactures various types of air tools, air tools accessories, oil pulse wrenches/drivers, cordless tools etc. The Grinder with Speed 20000 RPM has capacity of 3mm, Model TG-65H, has air inlet of 1/4". This Grinder has hose size of 3/8 inch. This Grinder has Average air consumption of 4 cfm and weight of 0.60 kg.