ドリル刃研ぎ治具(Φ0.6～Φ3mm）Sharpening jig for small drill bit

ドリル、特に細いドリルの手研ぎは大変難しいです。動画で紹介する研ぎ治具と方法で簡単に研ぐことが出来ます。Sharpening a drill, especially a thin drill, is very difficult by hand. You can easily sharpen with the polishing jig and method introduced in the video.

[@amiran_g]

Очень интересно! Спасибо 👏

[@yattemita4447]

Thank you for your comment.

[@Sokol10]

Criativo, especialmente o uso do motor do HDD.

[@yattemita4447]

Thank you for your comment.