Drill Grinder Facet

Drill Grinder Facet

May 17 2017nbsp018332The design goal was to create a fixture to grind a four facet point on drill bits using a surface grinder. I decided on using ER25 collets which limits the range from about 2mm to 16mm 532quot to 58quot. I wanted to make it accurate fast and easy to use and rigid as possible.

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