... applications, Large Torque Transfer, Broad Ratio Scope8) Low speed shaft design: cylindrical shaft; cylindrical with key, splined; hollow with shrink disc or ... gear box.HENGKO Powder Metallurgy gear includes: bevel gear, gear, gear box, planetary gear, gear sector, sun gear, straight helical gear, helical gear, multi-layer gears, miniature gears, small module gear reducer ...