m mild slot - slot demo all game
$800.00
Mark the location of the hole at the center of the arc, but don't drill it yet. Use it to scribe a line for the inside, outside, and center line of the slot. Mark the centers of the end circles, then mark a bunch of points along the center of the slot. Remove most of the material in the slot by drilling, then hand-file to the scribed lines. non root slot