Advantages of axial bearing:
Double clamping force with same lever size, by reducing the surface friction.
Protection of workpiece by a fixed locating surface.
Little setting due to higher pre-clamping force of bolt, e.g. thread.
Material
Lever
Zinc die-cast, plastic coated, orange similar to RAL 2004, matt structure
Zinc die-cast, plastic coated, black, similar to RAL 9005, matt structure
Inner parts
Steel, nitrided, blackened
Screw
Steel, nitrided, blackened