I’m working on flattening my chisel backs, and I have a 4 stone kit from dmt (x coarse, coarse, fine, x fine)
Starting low and working my way high, I’ve worked 3 chisels now, and on my 3rd one I’ve noticed the x fine has some lines in the stone. I cleaned the stone with bar keepers friend and a toothbrush, didn’t seem to make a difference. When the chisel runs over these spots, it has an increased resistance, almost like it’s sticky (in the full motion it feels like the chisel is hitting speed bumps and is actually quite annoying)
The spots are small enough that when I run my finger across the stone they don’t really feel any different, but looking at them they look pretty shiny, almost like there is no diamonds there.
I’m just trying to figure out if it is normal, a defect, or something I did.
Thanks,
Adam
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