How to repair and sharpening drill bits, sharpen drill bits for metal

Tutorial. Sharpen your quick and easy drill, drill bits sharpener, manufacturing, how it's made
HISTORY:
How to repair and sharpening drill bits
This imaginary line has to be kept horizontal
Front view of the drill bit
The angles of the drill bit against the abrasive stone are: vertical (0º) and horizontal (59º) , approximately
Reduce both sides taking into account that the tip is well centered
Finished equalization...
Now it is necessary to lower the back part with respect to the cut line
To perform this operation it is NOT necessary to respect the angles: imaginary, vertical and horizontal
Be careful not to damage the cutting line by lowering the rear area
With smaller or larger drill bits the procedure is the same
Now the empirical test
6 mm drill bit
13 mm drill bit

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