[littlesmith]

Originally Posted by PeterF

Are you using blade stiffeners with that fret slotting blade? It sounds like vibration could be causing the wider slots. http://www.lmii.com/products/tools-s...lotting-system

Thank you, i never heard of blade stiffner, i think that would help. It is indeed the vibration of the motor mechanics + how thin the blade is that is causing this issue.