Thread: Stone flattening made easier...

Originally Posted by mrsell63

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A Norton Flattening stone might need to be checked for flatness but diamond plates are supposed to be flat from the factory. Keep all your stones flat for best results. Good luck.......

Supposedly!
I have had two that were about a mm out of flat when put on a machinists surface plate. They didn't answer my questions at DMT either. Just ignored me.
~Richard

I have used dmts and atomas. Since heavy lapping on hard stones like jnats kills these plates, I recently use wet/dry to do my heavy lapping and use the atomas to touchup. I use a granite lapping plate under the wet dry. Works fast and the wet dry I use up is much less expensive than a $100 plate. And you cant just use the atoma 400 as the surface is too rough. I also use the bbw the smooth the stones after 1200 grit. For synthetics, an atoma or dmt is great though. And the 1200 atoma for maintenance lapping works well.