metalmagpie
Titanium
- Joined
- May 22, 2006
- Location
- Seattle
I noticed years ago that you can't find no. 2 Morse taper shank drills larger than a certain size (7/8"?). I surmised that there are limits to the holding power of a taper shank which would be exceeded if a drill larger than that were used.
Now I'm working on restoring an antique drill press with a 3MT spindle and I wonder how large a 3MT drill is commonly found. 1-1/2"? What is the upper practical limit on 4MT?
Info? Insights?
metalmagpie
Now I'm working on restoring an antique drill press with a 3MT spindle and I wonder how large a 3MT drill is commonly found. 1-1/2"? What is the upper practical limit on 4MT?
Info? Insights?
metalmagpie