How to easily and precisely sharpen a small drill bit with an item from your pocket.| 1mm Drill Bit

[@Alimotevalian-g8i]

problem is you can not center the tip , meaning tip will not be in the center , so it will turn crocket

[@snappycanon]

40 years in engineering tells me the same smallest drill I used to use was .7mm. when using a c.n.c machine is like tennis " new drills please. "