Hello,
this is my second kress collet nut worn in less two months.
the collet dont engange in insurance of collet nut, and i need to remove it with a hammer. Its this normal, or is a personal problem. The first toolls removes are ok, but comes a time that to unscrew the collet nut from the motor, does not drag the collet.
Help please¡¡¡
and sorry for the english.