IMHO go with the step bits they worked great and I have built 5 UDS and 1 UDG. The one we used is still in great shape. Harbor Freight for that bit.
Drumhead - UDS x 2 & UDG
Keep on Smokin'
KC native missin' KC
IMBAS Certified MOINK Baller 2009
I also support PETA - People Eating Tasty Animals