International Association of Penturners - View Single Post - sharping carbide bits
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Old 11-12-2017, 07:12 PM   #7 (permalink)
TattooedTurner's Avatar
Join Date: Aug 2016
Location: Surprise, Arizona
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I've used a diamond card lubricated with WD-40 - thanks to YouTuber Gord Rock for the idea. While nothing like new, it did breathe new life into them and I'm sure they'll last awhile before I need to buy new ones.
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