Auger Drill Bit

The absolute best source for sharpening this tool is Leonard Lee's book, The Complete Guide to Sharpening, Chapter 15. (This is a must-have for any sharpener's library.)

Other notes :

  • Lead screw must extend beyond any spurs or shoulders on the perimeter of the bit..

  • DO NOT change
    1. the center point of the drill bit, or
    2. the diameter of the drill bit (only file the inside of the spurs / shoulders).

  • Grind the minimum off the bit.

I should make something with the fancy new tools I just bought.

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Notes & Comments


Information regarding Grindstones

Probably best to stay with the drill bit's geometry as supplied by the manufacturer.

More Information

Books & Papers

Web Sites

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About this site
Remember : The goal of sharpening is to produce sharp tools, and these tools can injure you if mishandled. Safety measures should be followed to protect yourself and those in your shop. Be sure to read and follow all instructions from the manufacturer, and and utilize proper safety equipment. Never consume alcohol or anything that could impair your judgement before sharpening tools, or using sharp tools. Comments can be sent via eMail to me at SharpeningHandbook@Gmail.com.