Introduction Twist Drills are the most common cutter type in the CNC arsenal, and they're most commonly held in the machine tool via a drill chuck.
Guide to Drill Chucks and Holding Twist Drills
Quick-action drill chuck: What is it needed for? - Threading tools
Beginners Guide To Use Power Drill And Drill Bits
Guide to Drill Chucks and Holding Twist Drills
Parabolic vs Standard Flute Twist Drills = Better Performance - CNCCookbook: Be A Better CNC'er
Guide to Drill Chucks and Holding Twist Drills
Drill Holding Devices – Detroit Machine Tools
Quick-action drill chuck: What is it needed for? - Threading tools
How to Guide – Drilling Basics - The Tool Space