- Joined
- Nov 12, 2014
- Messages
- 151
I was given a small set of solid carbide spade bits. 1/8", 3/16", 1/4", 3/8", and 1/2". I plan to use for drilling broken taps that I know sometimes happens. What are the recommended speeds to use with these bits? I searched on line and found one chart which I could not understand.