I just got a PCNC1100 and it didn't come with the R8 collet. I found out that this is an accessory - which is stupid because you can't use the machine without it. The drawbar isn't an accessory, so why should the collet be? Anyway, I have a 3/4" bridgeport R8 collet, can I just use that or do I have to use Tormach's collet?