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5um is about 4k, .5um is 30-50K, watch that decimal point. Grit charts are kind of all over the map.

5um (4k-ish) or 3um (8k ish) are good starting points, for a refresh. It all depends on the...

If you know how to hone a razor, none really.

But if you are new to honing, there are tons of examples of excessive abuse.

The Op’s question was, “Can I set a bevel with a 4K Norton?”
And the...

No, the 1k is way more toothier. A 1k edge is ragged, a 12k should be smooth laser straight.

You have to calibrate your test, to the edge you are testing. The point of the 12k bevel set is, that...

“Can I set a bevel with a 4K Norton?”


Yes,

You can bevel set on a 12k. It all depends on the condition of the edge.

A 4k is more aggressive than most folks think. If you are just touching...