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Lapping the norton is critical. Lapping is the flattening of the hone. For the Nortons, this also involves removing enough of the outer layer of the 4k side of the hone to eliminate the coarser...

I'm sorry, but that's just not correct. You can set a bevel with a 4k, it simply takes a lot more time.

Regardless, the setting of the bevel is as critical as Trevorxgage suggested.

So,...