Expansive Bit Modification

[Improvised DIY]

[DIYer]

Thanks Improvised DIY! We've added your Expansive Bit Modification to our Drilling and Drill Presses category,
as well as to your builder page: Improvised DIY's Homemade Tools. Your receipt:

Expansive Bit Modification by Improvised DIY

tags: drill bit, modification

[Mook]

A good tip for using hexagonal collet blocks.
The datums are the flat faces, not the points.
In this case when milling the 3 flats, the side of the cutter could be used as it is line with the datum face of the block and vice jaw. A bonus is a nice radius where the flat meets the shaft and if six sides are needed then 2 can be machined in one setting.