Making of: Small precize lathe tool out of broken drill bits [M4 internal thread cutting] @TinC33
Making of: Small precize lathe tool out of broken drill bits [M4 internal thread cutting]  @TinC33
Uploaded January 2019 | Updated September 2026, 2 weeks ago
Hy There,

I use DORMER A117 HSCO drills in this video!

In this video i'll show you how i make super small and precise lathe cutting tool, i just make a simple holder and grind broken dill bits into usefull cutting inserts
there are lot of option to grind different shape of knife by your needs, i just make a few basic one like for turning, facing, boring, internal turning and thread cutting.
i use 3.3mm drill bits so with this insert i can cut M4 internal thread.

This tool is really very usefull and alsmost free to make

Making of: Dremel / Proxxon drill holder for mini lathe
youtube.com/watch?v=1AJPM3GXaco&t


Thanks for watching.

Hope you enjoy in video and welcome to watch my other channel:

Tintek33_other
youtube.com/channel/UCk9akKpWakv8Gi8wyNPnPHA

Tine Sedej:
youtube.com/channel/UCNwj7T3yDfUbmARRHERF8QA

Foto, video & editing: Tine Sedej

Camera:
Sony A6500 [sel 18-200 f3,5-5,6]
Sony A6000 [sel 30 f3.5macro]
GoPro 4 Black

Music is from NCS:
Track: Distrion & Electro-Light - Drakkar [NCS Release] Music provided by NoCopyrightSounds. Watch: youtu.be/YJTae5ScvQA Free Download / Stream: ncs.io/DrakkarYO
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Making of: Small precize lathe tool out of broken drill bits [M4 internal thread cutting]

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