Zt0452 Flat Grind - Anyone Done It?

J

JReilly

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Apr 12, 2007
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Just picked up a ZT0452 CF that I like but it's not quite slicey enough for me. I EDC a Yojimbo 2 that I love, and I'd like this to be a larger every day slicer.

I reground it to about 20-23 deg inclusive and brought the edge up to 2000 grit on sandpaper then finished with a 4000 grit stone and it's pretty good, but not quite there yet.

Had anyone flat ground one of the these? I'm not sure there's enough metal to pull that much off but if there is I'm willing to give it a shot.
 
Josh did an absolutely SICK zero edge regrind on my Emerson Super CQC-8 years back. Highly recommended.

I think I saw a 450 or 452 done like that in his gallery before, I'm not sure. What's funny is I once thought about sending him that exact knife.
 
I wish ZT made the 450 as a FG as one of its many permutations.
I once asked how much to do such a regrind on my 450.
The result — sticker shock and mine is still stock.
 
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Neat. Looks like he does great work but I'm not sure I'm attached to this knife enough to pay for it, I'll probably try the DIY approach. Just wanted to see a couple examples and see if anyone had tips.
 
falar said:
Josh did an absolutely SICK zero edge regrind on my Emerson Super CQC-8 years back. Highly recommended.

I think I saw a 450 or 452 done like that in his gallery before, I'm not sure. What's funny is I once thought about sending him that exact knife.
Click to expand...

Yeah - the zero bevel edge looks fantastic, but I just have to ask: what happens when the knife is dull? I would almost for sure have to add a bevel because otherwise there would be too much steel to be removed to maintain that zero bevel edge. Am I correct?
 
Yes.

Depending on your use of the knife it may not be practical. It will cut like crazy but you will have to remove way more material when sharpening, especially if you have something like a full flat grind.

A mid-low saber grind would be better, but still an awful lot of material to remove if you're used to a typical modern secondary bevel.

If you're just cutting food (no bone) it will hold up a long time with a good steel. Whittling, opening cardboard.....not so much. I have zero grinds done on my self-defense blades. Edge maintenance there doesn't matter as I will hopefully never have to use one.

The funny thing is that for most of the history of bladed weapons and tools secondary bevels were much less common than they are today. Now the absence of one is noteworthy as most people think they are the norm/requirement.
 
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