- Hexagonal clamping hub - Effective for all types of shaft-pinion assemblies such as sprocket wheels, gear wheels, pulleys, cams etc.. - Materials: External part: galvanised steel Internal part: nickel-plated steel Nut: nickel-plated steel Benefits - Self-centering - Reduced installation time - The hexagonal locknut makes it easier to lock the shaft-pinion assembly if freely rotating shafts. Info - Ta : Tightening torque of the nut - M : Transferable torque - Fa : Transmissible axial load - Pw : Surface pressure of the shaft - Pn : Hub surface pressure Accessory - Assembly tool SUP/TOOL