Tuttles Revenge
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At the risk of sounding like a total idiot could you explain when you choose to use either the 3/8" spade or the pre installed arbor pilot bit?
Also, what is the diamond file for? Sharpening the hole saw teeth? Is there a "how to" on that somewhere? lol
I don't know why they include a carbide bit for the pilot. Its meant for concrete and doesn't drill thru wood for shit. I'd just toss it and replace it with a proper 3/8" wood bit. The spade is ok.. but more likely to get dull quicker.
The diamond file is used to sharpen the carbide teeth on the front facing edge only. Not on the top. You don't want to Shorten the bit by taking off the top edge.
There likely is a YouTube video out there, probably several and probably all contradicting each other! For me, sharpening bits was just something you learned to do as an apprentice to use your time when there wasn't something else to do.