I've been thinking about buying one of these but I don't know if they are just a gimmick. Also, if they genuinely work well how good do your bits need to be in the first place to be worth sharpening?
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The best way to sharpen a drill bit in just 5 minutes – the secret of a 65 year old worker!
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The Drill Doctor DD750X drill bit sharpener allows the user to create a custom point angle between 115 degrees and 140 degrees. With this sharpener, the number of relief angle options has been more ...
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