Originally Posted by slashmaster  Thanks Tobyaxis,
I don't know if I want an R8 or Tappered. What are the advantages to each? |
R8 is a common Taper that is found on Bridgeport Mills. These have a 7/16-20 thread on the back side to allow for the draw bar.
The tapered I referred to is usually a Morse Style No. 1 , 2 or 3 etc.