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I show how to sharpen drill bits with a Drill Doctor Drill Bit Sharpener. The model in the video is a Drill Doctor 750X. But the process is basically the same for the 500X. I bought the 750X model because I am planning to use it for sharpening some larger size twist drill bits up to 3/4″. Too bad it won’t go bigger, like up to 1″ bits.

This is the Drill Doctor 750X that I used in the video:
http://www.amazon.com/exec/obidos/ASIN/B000BKTA00/ref=nosim/youtube25-20