drill-grinding

5 лет назад

This video demonstrates how to sharpen a drill bit by hand using a grinder. The presenter explains the importance of maintaining a consistent angle and how to adjust the sharpness based on the material being drilled. They also offer tips on how to keep the point centered and provide a brief overview of different drill bit types.

4 года назад

This video shows the construction of a drill grinding jig for large drills. The creator needed a solution for sharpening drills larger than 12.7mm, as their drill doctor was not effective for larger sizes. The jig is designed to ensure consistent rake and relief angles on the drill bit, and the video demonstrates its use and construction.