In principle, sharpening twist drills is not that difficult – if you know which angles to work on and which cutting edges to leave alone.
Manuals for Maintenance and Repair in English (and some more in German)
Manuals for Maintenance and Repair in English (and some more in German)
40 Manuals at Autoschrauber.de/en
In principle, sharpening twist drills is not that difficult – if you know which angles to work on and which cutting edges to leave alone.