Try various chamfers on the drilling machine
16:01
[Drilling machine] spot facing
12:55
A remake of a worn-out commercial drilling machine!
14:11
Both center processing
24:47
Try cheap tools made in China on a mini lathe!
16:30
ステンレス用のドリルってどれがいいの？穴あけて検証する
11:33
ボール盤でサクサクらくらくタップする♪ Tap quickly and easily with the drilling machine
12:59
Elongated thread cutting
13:30