screw machine

Not mine, but is in Plymouth, VT. Could be a nice weekend trip, visit the Calvin Coolidge site, enjoy remote central Vermont. https://www.facebook.com/marketplace/item/322986435527631

I am a self taught 60+ year old that wants to learn machining. I have a mini mill 3 in 1 machine and am tired of cheap drill bits. I wanted to purchase 1 115 piece screw drill (short because of the distance from my table to the chuck) of my mill. This 118 vs 135 vs split point vs ? is getting...