I use the 140 also on all my stones up to my 8k's. What I do after flattening is take my mini diamond plate of 600 grit and rub the stone in small circles , like building up a slurry, to smooth out the heavier scratches left by the 140.The stones I use the 140 on all have these very visible and distinct scratch marks on them. That's what led me to question if 140 is too rough for 1k and 3k stones. I want the 3k to be flat without being groovy.
The stones I use the 140 on all have these very visible and distinct scratch marks on them. That's what led me to question if 140 is too rough for 1k and 3k stones. I want the 3k to be flat without being groovy.
In a timely coincidence with Dave’s above, I received my Shapton diamond lapping plate yesterday. Using it on my 4K and 6k made a noticeable difference from my previous lapping with the 140 Atoma.
Would a smooth surface improve harder stones more than softer ones?
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