In history of the world there are three great myths: "The world is flat.", "I'll respect you in the morning.", and "Festool drills can't use standard 1/4" hex bits." [eek] Read my lips... There is NO incompatibility with standard 1/4" hex bits!
This is a my bit box with all sorts of wire-detent and ball-detent (power drive) bits:
This pic shows my Festool chucks and most (not all) of my bit holders with a selection of bits. With the exception of my new Spax bit, I've used every one of them hundreds to thousands of times. NO problems. Left to right and top to bottom - all are standard 1/4" hex bits:
- Jacobs chuck with Torx wire-detent bit in FastCap bit holder (very nice bit holder).
- Right angle chuck with square drive, wire-detent bit set directly in the chuck.
- Eccentric chuck with ball-detent 1/4" socket bit.
- Depth stop chuck with wire-detent Spax #2 bit. (Special bit for Spax screws.)
- Centrotec chuck with wire-detent Pozidrive bit in
Centrotec Bit Holder BH 60mm.
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Centrotec Bit Holder BHS 65mm with ball-detent 2" Torx bit.
- Standard ball-detent bit holder with #2 Phillips bit.
- Magna sliding sleeve ball detent bit holder with small slotted head bit.
What you see is only a small fraction of the ways I've combined my C12 with chucks, bit holders and bits. I find no incompatibility.
IMO, the C12 is one of best drills on the market. Perfect? No. It doesn't have a light, doesn't have LiIon batteries, and doesn't have a belt hook. OTOH, it is one tough, flexible little drill and much more powerful than its size and voltage would lead to expect.
There may never be a perfect drill, but the new C12 or C15 may come very close. Festool tweaked the C12, added more power, and fixed the minor limitations of the current C12.
If you want a great deal now, go for the C12. If you want the latest and greatest, get the new C12 or C15. In my (ever so) humble opinion and with the possible exception of the ProTool drills (NAINA), the C-series Festool drills are the best, most flexible drills anywhere. And yes, that includes the current T12/15's.
Regards,
Dan.
p.s., Edited to be "Read my lips..."