Reply To: Sharpening auger bits
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Have searched for this without success. All the auger bit sharpening links are about bits with one or more side flutes that score the edge of the hole before the cutting surfaces engage with the wood. The bits I have don’t have the scribing flute and the cutting surfaces look different to the ones Paul describes.
The snails seem fine, it is just the cutting edges are dull. But I am concerned that without some sort of cutting edge to form the sides of the hole, the cutters will always cause tear out.
It is quite possible that these bits were for rough outdoor carpentry rather than finer cabinetry work, in which case I need to get some better ones.