Introducing 6 ways to sharpen steel drill bits.
Click here for the plan
https://jsk-koubou.stores.jp/
0:00 [Overview of drill polishing and grinder preparation]
4:32 [How to sharpen straight lines]
9:18 [How to sharpen straight lines using a jig]
10:40 [How to sharpen a cone]
13:55 [How to sharpen candles]
15:42 [How to sharpen a woodworking drill]
16:45 [How to sharpen a pilot hole drill]
Surface sharpening jig
https://youtu.be/Xn0mN7Km0tU?si=pQNpvfx8ZibQBCie
how to make a woodworking drill
https://youtu.be/U0jGbXY3rUY?si=OoazOdVDZZ5FoVka
How to make a pilot hole drill
https://youtu.be/wxrf4TJvygA?si=3rR3BVqpSAX2AjqV
How to make a pocket hole jig
https://youtu.be/b6S5uyND2II?si=u6z8jSnwBAcFpl-_