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hmm define success, I lapped my shapton 16k with a dmt1200. seems darn nice to me.

Pragmatic but still a bit confusing. And I fully admit to being confused as my logic and the facts aren't in alignment:

Let me try again with my fallacy that needs fixing:

1) Logic

If we...

Lapping is clearly an interesting challenge,

If the grit of a Shapton 16k is .92 microns or .00003622047"

on the DMT 1200
The manufacturer aims for a surface tolerance of ±0.003", but you...

My Shapton is here!!!

I am stoked. Hopefully lapping will be trivial.

- Bob

The big chunk of granite is dual purpose.

I will use the chunk of granite to put my .5 micron chromium and .3 micron 3M aluminum oxide sheets.

A flat surface seems a handy thing to have. :)
...

The GDLP is so darn expensive I"m likely to buy a 30k before I go with that.

But I am going to try a granite surface plate.

My 16k is on the way. Is 5 hones Had?

- Bob