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Spyderco Triangle Stones.

B

BladeJogger

Joined
Mar 23, 2011
Messages
105
I'm looking at the Spyderco fine and super fine Triangle Stones.
Do you guys know what grit they are?
I do touch ups on a 1000 diamond stone/ceramic rod and want something a little finer
to finish off on.
 
Excellent question. I think there is no actual concensus on this. I have read where some think the ultra fine rods are worth it, yet others may think they would rather just use a leather strop for the final sharpening/polishing. I haven't purchased the super fine rods so can't say from experience yet.
 
Best guess is 700 grit for the medium (brown) prism, 1100 for the fine, and 1700 for the extra fine.
 
Up until now a strong smooth working edge was enough,but I'm getting into better steels for my edc's and want that mirror finish.
BTW. I'll still use a strop at the very end.
 
Send Spyderco an email to see if they can tell you. I have never seen it noted and some have guesses but not sure if they are guessing right!
 
This is a quote from Sal Glesser, from a thread over on Spyderco's own forum. It relates to the grits of Spyderco's ceramic hones (generally), although I'd bet the same applies to the Sharpmaker rods, which I think are the same material:

( Text quoted from -->: http://www.spyderco.com/forums/show...ompared-to-DMT-extra-fine&p=395257#post395490 )
We've spent a great deal of time trying to determine grits for our stones. The manufacturer has also worked with us, to no avail. A guess seems to be best.

Most abrasives are measured by the grit size used in the matrix. Our ceramic doesn 't work that way. Grit size is constant.

We've tried to compare scratch patterns as Cliff mentioned and this is probably the closest, but nothing that we can say "This is blah blah". Then the Japanese water stones jump into the equation and suddenly there is whole new set of numbers.

So where we end up is:

Our diamonds are a 400 mesh (measureable). (600 on the Duckfoot)

Our gray stone is "medium". (Same material as fine but different carriers and heat treat).

Our fine stone is fine.

Our extra fine is a surface ground fine.



sal
Click to expand...
 
That's interesting David,thanks.
I guess I'll pick up an ultra fine and see how it works for me,
I can always go up or down in grit later to fill gaps in my system.
 
I use the ultra fine rods. I typically take the edge down to that "grit" with the Sharpmaker, and then strop with red and/or green compound (Sears brand) on a slick melamine board. If I skip the ultra fine rods and go straight to stropping, there can be a dramatically a noticeable difference, depending upon the steel, the bevel, and the shoulders and whatnot. A difference such as mere "shaving sharp" versus "comfortably shaves your face" sharp.
 
Got a response from Spyderco today.

"Alumina ceramic is not rated in grit but the Fine is approximately 1800 and the Ultra Fine 2000."

In that case I'm guessing the medium stone would be around 1500.
That might be a better combo medium/ultra fine.
 
Correction,the medium stone is approximately 600 grit...that's quite a jump to fine.
I plan on carving a notch in a 2x4 to secure the stone in order to use the flat part and have both hands free to control the blade.
Does anyone use these to freehand.
 
BladeJogger said:
Correction,the medium stone is approximately 600 grit...that's quite a jump to fine.
I plan on carving a notch in a 2x4 to secure the stone in order to use the flat part and have both hands free to control the blade.
Does anyone use these to freehand.
Click to expand...

If you have the sharpmaker, on the bottom is two cutouts that are there to hold the triangle stones to turn it into a benchstone setup. Pretty cool for freehand work and makes it more versatile!
 
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