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$&@?!
I was digging around in my workshop today, and I had left the norton 4/8 out to dry out a bit -with the lid open- and some crap fell on top of it, including and old bike freewheel.
One of the teeth cut a nice chip in the 4k side....
I will spend Dec 27 lapping the chip out :cry::cry:
Where is the chip? You may just be able to hone around it. Or over it, depending on what the inner edges are like.
Can you send us a picture?
My camera can't really take a good enought picture.
So today I soaked the Norton and the Norton lapping stone and went at it. It took about half an hour, but the chip is gone - it was about half the size of an eraser head on a pencil and about .5mm to 1 mm deep. Lost a bit of the hoen material, but it was pretty much dead in the centre of the stone, and there was no way I could work around it.
Lesson learned....
Barry