How to make high-quality hand thread tap(don't forget the like)

Master mind 1,679,209 lượt xem 1 year ago

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Broken and disposable tools are always usable and functional and will only require a little innovation and creativity
The best way to make hand thread tap: https://youtu.be/zUza2Ps0gpY
How to make a handmade drill bit: https://youtu.be/DVEK7TdUVJI

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