Aergrind Drill Bit V2

Update: Check out [Aergrind Drill Bit V3](https://www.thingiverse.com/thing:4131694)

Initially purchased an Aergrind for pourovers, but I've recently ventured into espresso. Grinding for a Kalita 155 was no big deal. Espresso is another story, particularly when doing multiple doses to dial in a new bean.

Don't want to invest in a capable electric grinder yet, so my Aergrind is serving double duty.

I designed a drill bit adapter to minimize damage from a metal chuck. I'm also hoping that