Felco 903 Diamond sharpener - what grit is it?

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frank303

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Sep 22, 2019
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I've got a Felco 903 diamond sharpener and want to buy a stone or plate of similar grit for kitchen knives and garden tools. Does anyone know what grit the 903 is? An estimate is fine.

I e-mailed Felco a few times - no response, then the distributor. The distributor's response was "it's diamond". Well, that nailed the jelly to the wall.

Many thanks
 
Lacking details of the Felco sharpener specifically, any diamond hone in the 320 - 600 grit range generally works OK for the uses you describe (garden tools, kitchen knives, utility blades, etc). If choosing an alternate brand, I'd bias my choice more toward the 600-grit end of that range. The tools to be sharpened by such a hone are usually in soft(ish) steel with little wear-resistance; so, anything very coarse in a diamond grit will eat it up fast and leave a pretty rough edge. A 600-grit diamond hone, used with a light touch, would handle such work easily for touch-up maintenance.

For garden tools & such, I actually prefer using a mill bastard file for resetting edges completely; that works very well. But the diamond hone can work in follow-up maintenance, with a light touch and minimal passes.

A lot of general-use consumer diamond hones on the market often default to around the ~ 600-grit spec, which would compare to something like DMT's 'Fine' hones (though DMT is more uniformly-graded, leaving generally cleaner edges than most of the less expensive, similarly-rated options).
 
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I have some 600 grit stones and diamond plates. The Felco 903 Diamond Sharpener is higher grit density than that but I've nothing in higher ranges to compare it against.
 
Scythe stones generally work well for things like loppers and other garden tools. Something to consider.
 
I just want to know the grit number of the Felco Diamond sharpener and I'll take it from there. If anyone here has one an estimate will do.
I'm not looking for recommendations.
 
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