Flattening Oil Stones

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Forum topic by . posted 07-02-2014 09:58 PM 1895 views 0 times favorited 3 replies Add to Favorites Watch
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21 posts in 2997 days

07-02-2014 09:58 PM

Hello folks,

When flattening old fine/medium Carborundum oil stones via sandpaper on granite, does it matter what grit the sandpaper is? Can one use a coarse grit to remove stone quickly and then finish up with a finer grit?

-- "As a dog returneth to his vomit, so a fool returneth to his folly." And so I shall leave this godless forum and not return again.

3 replies so far

View RGtools's profile


3372 posts in 4145 days

#1 posted 03-04-2016 02:37 PM

I really don’t like to use sandpaper to flatten a stone. The reason being that any grit you get into the stone will most likely be bigger than the grit of your stone. Grit contamination causes poor polishing. This is the apprentice jeweler in me coming out…so there may be a bit of over-paranoia in what I say. Instead I would use a diamond plate to flatten a stone.

That being said, to go along with my advice and save you some money on YET another tool. I would use the finest grit sandpaper that gets the job done and clean the stone off thoroughly when done.

-- Make furniture that lasts as long as the tree - Ryan

View Don W's profile

Don W

20434 posts in 4058 days

#2 posted 03-04-2016 11:00 PM

I use a course grit and never had a problem.

-- - Collecting is an investment in the past, and the future.

View eflanders's profile


339 posts in 3341 days

#3 posted 03-05-2016 01:57 AM

My experiences are in-line with RG Tools.

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