... gear parts, Ratchet wheel etc. 3 Oil BearingsOil bearings, oilless bearings, bushing bearings, bearing shaft/block. 4 Aluminum Die CastingsAluminum die casting ... , aluminum shaft support for power tools5 Balance weigh, sprockets, ratchet, bushing, fastener,rotors,pulley.Other sintered parts like bushings, sleeves, pistons ...