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Thread: How do you sharpen your CRK Tanto (Umnumzaan or Sebenza)?

  1. #1
    Join Date
    Mar 1999
    Location
    Delray Beach, FL, USA
    Posts
    1,329

    How do you sharpen your CRK Tanto (Umnumzaan or Sebenza)?


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    I'm just curious how other Tanto owners have been maintaining their edges. I've been stropping mine on a leather strop with green compound, but I'm wondering what to do if/when the edge needs a serious touch up? Does anyone have an at home method for repairing a damaged edge on a CRK Tanto?

    I've got an edge pro but the tip of the Tanto is a convex edge so the edge pro won't work because it only does flat edge bevels. I guess I will have to keep stropping and then send it in to CRK for a new edge grind when it needs a serious touch up.

    One of the knives I'm looking to maintain...


  2. #2
    I am not a sharpener! I've only tried once on some old Arkansas stones my Grandfather left me and it was a disaster (I used a crappy old knife thank goodness). I took my tanto Umnum to Blade this year to get it sharpened. The Wicked Edge guy (I wish I could remember his name...Gary?) said they were tough to sharpen without messing with the edge geometry. What he did was only sharpen the very edge bevel and left the majority of the tanto alone. Does that make sense? Anyway, he did a fantastic job and the only difference is now it's razor sharp. I have to get me a system!

  3. #3
    Join Date
    Aug 2011
    Location
    Washington
    Posts
    335
    Be very careful sharpening a tanto for the first time. You can mess it up really bad...ask me how i know. For me, i sharpen the blade in two stages. The straight edge portion and then i re adjust the knife and sharpen just the tip portion. Im no expert but doing it this way allows me to maintain the edge geometry/bevel that i want. I like a strop as well for putting a convex edge. Not sure that helps you but good luck. Very nice knife btw
    Last edited by Tjc591; 07-22-2012 at 05:03 PM.

  4. #4
    Join Date
    Nov 2007
    Location
    Italy
    Posts
    2,519
    sharpen both edges separately and you'll be fine

  5. #5
    Strop it on sandpaper over a leather strop. Use very light pressure and only as much grit as you absolutely need. Chris runs 'em on the softer side so you have to let your material (sharpening & finishing strops) do the work. Just my .02 ymmv

    Yes, MM two stages, tip seperately from blade.

  6. #6
    I just got the Umnumzaan tanto and asked Chris Reeve how to sharpen it. They said to only sharpen the belly part, but to send it back to them when the tanto front edge needs sharpening. What are you all currently doing - do you try to sharpen the shorter edge yourself? I found this youtube which shows one way to do both edges with a Sharpmaker. Any comments?

    https://www.youtube.com/watch?v=t_GzBU5h2bU

  7. #7
    Hah. I'm not a sharpener of any sort. In fact, I've goofed up a knife or two during the phase I went through where I thought I'd learn.

    So when I found myself in possession of a small 21 tango, that arrived to me in desperate need of a real sharpening? I sent it in. I'm still waiting for it's return.

  8. #8
    Join Date
    Mar 2013
    Location
    Toronto, Canada
    Posts
    479
    So far been getting away with just stropping the tip, and Sharpmaker on the rest of the blade...
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