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Thread: Edge Pro Stones

  1. #1
    Senior Member FryBoy's Avatar
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    Edge Pro Stones

    I have an Edge Pro Apex. I have only the stones that came with it -- 120, 220, 320, 600, & 1000 grit, plus the 2000 & 3000 tapes.

    I'm considering buying some additional stones to use with the EP, specifically the Chosera stones sold by CKTG, but I'm unsure what I should get.

    They have a 2000, 3000, 5000, and 10,000 grit stones, as well as coarser stones and a set with 8 stones ranging from 400 to 10K.

    I've been thinking the 3000 and 5000 would be a good start, but would I be better off with 2000 and 5000, or should I get all three? The set of 8 is tempting but probably overkill.

    Any suggestions?
    Doug Collins
    Hermosa Beach, California

  2. #2
    I was looking at the same question not long ago....after communicating with Dale (?) at EP, and one of the re-sellers, seemed like the EP stones are pretty good, so I just opted for adding a Chosera 5k. Perrsonally I don't feel like I see the benefit from using lots of stones to get from 1k to 5k, so I would say jsut get the 5k to start. Trust me....when I accidentaly and unknowingly cut my self, I bleed just as much when I;'ve gone 500,1k, aoto,4k,6k,8k as when I've progressed 1k ->5k.

  3. #3
    Senior Member FryBoy's Avatar
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    Well, this is interesting -- and confusing. I decided to ask Ben, the owner of Edge Pro, about stones. He provided the following information comparing the stones that come with the EP to the Japanese standards:

    EP = Japanese
    320 = 2000
    600 = 5000
    1000 just a little finer than the 8000
    1200 exactly the same as the 15,000
    2000 polish tape = 20,000
    3000 polish tape = 25,000
    6000 polish tape = 30,000 or 1 micron

    If that's accurate, then there would seem to be little purpose in buying additional stones.

    Comments?
    Doug Collins
    Hermosa Beach, California

  4. #4
    That is not correct. A 320 is not like a 2000 grit waterstone, and there is no way a 1000 is close to 8000. My 1000 or Ultra Fine EP stone feels pretty similar to my Bester 1200, maybe a bit finer. When I bought choseras for my EP, I found someones blog that compared the EP, Shapton and Chosera stones. They had a nice chart that converted them all to the same measuring system, and their numbers were way different than the ones you were given. I cannot find it at the moment, but I will try to. They concluded to jump from the 1000 EP to a 2k or 3k Chosera, and then you could go 5k or 10k. I chose 3k/10k, but wished I had done 2k/5k, then added the 10k later.

  5. #5
    Dave5440's Avatar
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    I have the Chosera stones for my EP, I think you could do without some of them but at 199 for the set of 8 , I would go for the set of 8. By the way can anybody explain to me why the Chosera 400 grinds zdp189/cowryX far better than the EP120?
    Dave

  6. #6
    When I did my search a few months ago pretty much every comment confirmed that Ben's proprietary stones and grit numbers are different from the JIS (?) numbers. Gator's z-knives site has this write up: http://zknives.com/knives/sharpening/edgeproapex.shtml

    Looking beyond whatever number is on the stone, elite sharpeners generally report that the EP stones and tapes are good...just the Shaptons and Choseras are better. The purpose in replacing what you have is to feed the addiction....

    Quote Originally Posted by FryBoy View Post
    ....the following information comparing the stones that come with the EP to the Japanese standards:

    EP = Japanese
    320 = 2000
    600 = 5000
    1000 just a little finer than the 8000
    1200 exactly the same as the 15,000
    2000 polish tape = 20,000
    3000 polish tape = 25,000
    6000 polish tape = 30,000 or 1 micron

    If that's accurate, then there would seem to be little purpose in buying additional stones.

    Comments?

  7. #7
    http://This Site Not Welcome Here.com.wordpress.com...ra-or-shapton/

    Ha! Of course it was the Jende blog.

    If you choose to go with Chosera, the 2K or 3K Chosera will set up the edge for the 5K and 10K Choseras. Since the 3K is not a polishing stone, going from the 1K stock EP to the Chosera 3K is reasonable. Skipping from 2K to 5K and 3K to 10K is also acceptable, although still using the 5K before the 10K is probably best in the long run. Because of the close proximity of the 2K and 3K, the best option for you will depend on which stone is used before and after.
    Get the 3k and 5k, and if you would like to later, get the 10k.

  8. #8
    To jump start this again... replacing stock stones (having them replaced as Xmas gift). Pretty sure ***** is the place to go. What should I get? Shaptons? Chosera? and what #s? I've been pretty simple about this but with better knives on the way want better more comprehensive set. All I care about is getting them really sharp, not a huge need a mirror finish junkie... Thoughts? I really appreciate the advice.

  9. #9
    Senior Member

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    A set of four Chocera stones are all you'll need - 400, 1000, 5000 and 10000.
    “Ignorance more frequently begets confidence than does knowledge.”

  10. #10
    Thanks Rick! That's all I needed to know!

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