... etc. 2 Sintered GearsGears, Sprockets, Helical Gears, Bevel gears, Double Gears, Spur gear, Curved gear, Rack gear, Circular gear, ... bearings, bushing bearings, bearing shaft/block. 4 Aluminum Die CastingsAluminum die casting parts, aluminum shaft support for power tools5 Balance ... closed metal cavity (the die) under pressure. This compacted material is placed in an oven and sintered in a controlled ...