theastronaut's latest activity
-
Ttheastronaut replied to the thread How hard is it to sharpen drill bits freehand on a diamond stone or do you need a drill doctor?.It was a pretty straightforward question..
-
Ttheastronaut replied to the thread How hard is it to sharpen drill bits freehand on a diamond stone or do you need a drill doctor?.36 replies later we've argued about .0005" accuracy but no one has linked a relevant YT vid yet.