Okubo Cleaver Refinishing Project Pics

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tostadas

Hobbyist / Craftsman
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It’s been a while since my last project thread. Cleaver time baby!

The Knife
Okubo nakiri/cleaver in aogami #2 and iron clad from Michael at Knife Japan. He actually listed a gigantic 250mm long “nakiri” on the site, which looks absolutely insane. I asked for a shorter one in my favorite size, 210x90 with no other requests, and Michael made it happen.
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The knife was a giant rustic beast. Fat spine, thick forge scale, coarse convex grind, and with what looked like a half tree branch shoved onto the tang for a handle.
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Out of the box was actually a decent performer, but that’s beside the point. That’s not why I bought this knife. I had bigger plans in store.
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The Plan
The goal was to have a blend of original gritty character of the cleaver, while also giving it some refinement with a polish and a new handle that would actually allow it to fit in my knife drawer.

Tang Work
To fit the new handle, I had to adjust the tang a bit.

The stock tang had a bulge partway down. The spine thickness near the choil was about 5mm, while the thickest part of the tang was around 7-8mm. And it was offset by a bit.
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Straightened out the tang.
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Ground down the excess, while trying to retain as much metal as possible. Enough so that I could allow for a decent fit up of the handle later down the line without needing an oversized tang slot. Also shortened it to fit a stubby handle.
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Thinning and Polishing

Stock grind was coarse.
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Some low spots that needed to get worked out.
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After some initial coarse work, I discovered a defect in the cladding. I reached out to Michael for his recommendation, and he was extremely understanding. Basically told me to feel free to go ham on the blade if I wanted, and regardless of the outcome, he’d be there to support 100%. Top notch customer service!
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I also made some minor adjustments to the profile.
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New Handle
Handle is a stubby one I made from a single piece of Honduran rosewood burl.
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More details on the handle and fit up in the ‘sticks’ thread:
https://www.kitchenknifeforums.com/...ks-finished-handle-projects.49832/post-997081
Finished Knife
The cleaver ended up getting thinned a decent amount. But is by no means a lightweight, or anything close. It’s still an absolute beast to use at 452g in its final state. I wasn’t able to completely work out the little defect from the cladding and also maintain the amount of thickness I wanted, so it remained and now adds an extra touch of wabi sabi to this cool blade.

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Closing Thoughts
The Okubo cleaver is a blast to use. Michael at Knife Japan provides probably the best customer service I’ve ever had the pleasure to experience. In its original state, the knife was already enjoyable. The few little upgrades I made take it another level higher. If you’re on the fence about trying one, stop thinking and just get it. Could even turn it into another project maybe.

 
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Really nice work and thanks for documenting your process! It's really a very big improvement compared to the original state and the handle goes perfectly 👌
 
great write up! nice job, the handle looks fantastic.

what was the stone progression here?
Originally started out with jns 300. But it was really slow for what I wanted to do, so I swapped to sandpaper on flat surface for much of the heavy removal. 120-220-400 sandpaper blasted thru all the low spots, and gave me a pretty even bevel to work from. I went through a good deal of 120 paper. Then went synthetics up to 6k. And then for kasumi part I like king 800 for base, and then aoto, uchi on this one.
 
Noticed that on your new handle you've not got a neck, just wondering what's the rationale behind it please?

Reason I'm asking is that I'm about to install a handle on my Okubo 180x75, obviously it's nothing compared to your 210x90.
 
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