Scrape the back of your fingernail with the edge. If it removes material from your nail, it's still sharp. If it just slides across the nail, it's dull.
so i have a lot of bits left over from the previous operator and i am trying to figure out a way to test/examine the sharpness of the bit without having to use every bit in the machine and then checking the quality of the cuts on the material (it would take a long time with the amount of duplicate bits i have) so if there are any tricks or tips for checking the sharpness of my bits(cutguru) by hand that would save me a lot of time
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Scrape the back of your fingernail with the edge. If it removes material from your nail, it's still sharp. If it just slides across the nail, it's dull.
Gerry
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