Quote:
Originally Posted by bwobo
Ok thank you very much for help/suggestions. Yes just from a lot of personal research I have done already I can tell the the extent of research that is good to have. I will definitely keep in touch with questions as they come up. One thing I saw on the TM-1 is an option of CT or BT taper type, what do those mean?
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CT taper is common in the US. BT is in the rest of the world.
The short answer is they are interchangeable. As you are in the US, you'll buy a CT taper because it's the standard. The actual taper on the toolholder/spindle is identical. The only difference has to do with the drive dogs on the spindle face, and the thread on the rear for the pull-stud is metric on a BT holder.