The Drill Doctor DD750X drill bit sharpener allows the user to create a custom point angle between 115 degrees and 140 degrees. With this sharpener, the number of relief angle options has been more ...
Sharpening a drill bit is rarely a second thought for most DIYers. It's straight out of the case, into a chuck and start drilling. But drill bits are not indestructible and are prone to wear and tear ...