How to make water borewell drill bit
Автор: Useful DIY
Загружено: 23 февр. 2023 г.
Просмотров: 199 592 просмотра
In this video tutorial you can learn how to make a carbide drill bit for water borewell drilling. The most important feature of this borewell drill bit is that it can work on hard rocks and hilly areas because it has carbide teeth.

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