I think everybody is not solving the issue correctly. Please check my post about the kapex miter adjustment-another kapex post. In my opinion the problem is NOT the thickness of the miter scale plate but the size (diameter) of the circular collar that pushes the sprung steel plate off of the miter scale the tolerance is very tight(small) so that if there is any deflection of the miter scale then the miter scale will be contacting both the sprung steel and the tab above the miter scale. just my cents thats why it works fine and then tightens up. In fact if they made the miter scale thicker it would be more stable then of course the sprung steel would have to move away from the miter scale even more.