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Sharpening pilot countersink bits?


Turner85

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we used to use lard for lapping lubricant in the machine shop so if you don't have the actual oil lard is pretty easy to get a hold of.......also kerosene will do the same if that is easier to get.

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I'm not sure sharpening systems like a drill doctor can do the correct angles for those bits, but if you sharpen them by hand the only difference from a normal split point bit is the angle.  Personally I prefer a bench grinder and just finish the edge with a stroke or two on a whetstone.  Be sure to check if it is carbide tipped because then you need diamond abrasives.

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I'm not sure sharpening systems like a drill doctor can do the correct angles for those bits, but if you sharpen them by hand the only difference from a normal split point bit is the angle. Personally I prefer a bench grinder and just finish the edge with a stroke or two on a whetstone. Be sure to check if it is carbide tipped because then you need diamond abrasives.

don't think there carbide tipped. It's the trend snappy flip and drive set.
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