Recent content by phk

I found this video bellow and I believe it answered my question very well. At least when used on plastics, which is my case, the spiral bit is pulled and there isn't much control over the stopping point. As in one of the video comments, I also think that the spiral bit would only serve me well...

Sorry, my mistake, it was actually spiral. Edited and corrected.

Hi. Today was the first time I tested a stepped drill (Spiral flute). I used it to drill 2mm PVC plastic sheet with a regular drill, not a bench drill. I didn't like it because I felt that the drill advances and penetrates the piece automatically, it is pulled like a screw. Does anyone know...