Using a small ball-point pen refill as coupling, join the motor and this drill bit. And ur portable PCB drill is ready.
The tool point may need sharpning after drilling a number of holes. And it produces a decent quality hole. The dia of holes very much depends upon the dia of tool, which can be adjusted by repeat grinding.
5 comments:
If you are going to use a coupling anyway then why not couple an actual drill bit to the shaft of your motor?
GREAT Idea!!
Much better than those egg-beater mini drills..
Karnuvap
i tried that, but the 0.8 mm drill didn't had thick end for holding..it used to slip, so i use this only..
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