Diamond plate vs water stones

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Forum topic by Ray posted 04-30-2016 01:58 AM 2131 views 0 times favorited 9 replies Add to Favorites Watch
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126 posts in 2511 days

04-30-2016 01:58 AM

I see posts where forum members are now using diamond plates for honing. But the grit numbers have me confused. What is the equivalent of a 1200 diamond plate in a conventional waterstone?


-- Creating less fire wood every day

9 replies so far

View lateralus819's profile


2243 posts in 2397 days

#1 posted 04-30-2016 02:35 AM

An extra fine DMT Plate is about 1200 grit and an extra extra fine is about 8000 grit.

View Lumberpunk's profile


334 posts in 2845 days

#2 posted 04-30-2016 02:44 AM

I have Coarse, Medium and Fine DMT plates and then switch to a Norton 8000 grit water stone for the microbevel. Fast and sharp. The coarse stone is only for reconditioning damaged irons and flattening the Norton when it needs it.

-- If someone tells you you have enough tools and don't need any more, stop talking to them, you don't need that kind of negativity in your life.

View TheFridge's profile


10859 posts in 1994 days

#3 posted 04-30-2016 03:11 AM

Depends on the stone. Stones can be a lot finer than diamond particles. Also depends on particle size.

-- Shooting down the walls of heartache. Bang bang. I am. The warrior.

View Ray's profile


126 posts in 2511 days

#4 posted 04-30-2016 03:25 AM

Am I correct in understanding from these posts that the grit designation is somewhat equal between diamond and waterstone?

-- Creating less fire wood every day

View Robert's profile


3537 posts in 1988 days

#5 posted 04-30-2016 12:33 PM

It is quite confusing.

Grit sizes for water stones, diamond stones, and sandpaper are all different.

Somewhere I saw a chart that compared them.

My impression is water stone grits tend to be finer than diamond. I have 8000 grit in both diamond and water and no question the waterstone is much finer.

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View HokieKen's profile


10906 posts in 1646 days

#6 posted 05-01-2016 01:22 AM

Here is a pretty comprehensive chart from

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View bbasiaga's profile


1243 posts in 2503 days

#7 posted 05-01-2016 03:14 AM

Another chart I refer to often.

I just ordered a fine DMT stone, to do my primary sharpening. Then plan to finish with a 4k/8k water stone.


-- Part of engineering is to know when to put your calculator down and pick up your tools.

View Andre's profile


2792 posts in 2314 days

#8 posted 05-01-2016 03:28 AM

Only thing Diamond stones are good for are to Flatten my Water Stones! LOL!

-- Lifting one end of the plank.

View TheFridge's profile


10859 posts in 1994 days

#9 posted 05-01-2016 03:44 AM

I use diamond stones for flattening. I don’t find they take a lot of material off after break in but they are a good reference for me. I use paper for sharpening but will prob get some Shapton water stones after trying them out. They took off material fast and honed gorgeously.

I’ve found similar grits in paper and water/oil stones finer than diamond.

-- Shooting down the walls of heartache. Bang bang. I am. The warrior.

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