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I've used this method to bring a dull carbide tooth saw blade back to like-new condition in a matter of minutes.
More on this project here:
https://ibuildit.ca/tips/hand-sharpen-a-carbide-saw-blade/
Ways you can help support this channel:
Patreon:
https://www.patreon.com/user?u=865843&ty=h
Project plans for sale: https://ibuildit.ca/plans/
More videos on my second woodworking channel:
http://www.youtube.com/c/IBuildIt
My home reno channel:
http://www.youtube.com/c/IBuildItHome
My "Scrap bin" channel:
https://www.youtube.com/c/IBuildItScrapBin
Website: https://ibuildit.ca/
Facebook: https://www.facebook.com/I-Build-It-258048014240900/
Instagram: https://www.instagram.com/i_build_it.ca/