02-18-2012, 06:56 AM
If you don't mind me asking, why have both a direct mount 4-jaw independent chuck and an adapter plate chuck? I have just one, a 12" (actual 300mm) Atlas that uses and adapter plate. Given that they are independent jaw, I know that it's not a matter of minimizing runout. Just wondering why you keep one of each style. Are they widely-differing diameters?