The correct operation method of electric drill

- Sep 12, 2017 -

1. Drilling in the metal material should first be used in the drilling position to punch the eye.
2. When drilling the larger hole, drill through with a small bit beforehand, and then use the large drill hole.
3. If it takes a long time to drill holes in the metal, some cooling measures can be taken to keep the bit sharp.
4. Drilling debris produced during drilling is prohibited by hand cleaning directly, the use of special tools to clean up debris.

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