![spot drill Illustration of spot drill](https://www.manufacturingguide.com/sites/default/files/styles/lexicon_word_image/public/technical-term-images/spotdrill.png?itok=8wJSgYRm)
The drill is intended to create a guide hole for drilling with a twist drill to improve hole location tolerance
Since twist drills tend to move sideways during penetration of the surface, the spot drill can be used to create a conical hole that guides the twist drill right to the start.