New ZT0550 Thread !!!

Perhaps I'm the odd one out... but my liner looks perfect, lockup is solid (50% isn't over travel.. CRKs come around 50% and look at how many people (dont) break those locks...) build quality is great... I cannot find a fault in the knife...

Same here
 
If there has been a more highly anticipated knife for 2010 I do not know what it is. The threads for this knife have drawn a tremendous following, and for good reason - it is an excellent knife, quality design, great blade steel, and one of the best collaborations. For those reasons, I am really surprised with the rust and lock-up issues.
 
I received serial # 0012 today and mine is without rust and seems perfect. I will take a closer look but lock up on mine is about 30% and feels very secure.
 
Is the red on that rust or teh result of the HT on the steel? :confused:


That sure does look like RUST to me!
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..you do not heat treat a simple liner unless it is used as a liner lock that needs to be spring tempered/hardened because heat treatment is expensive and adds to the cost.
 
This rust issue is getting me really worried especially mine has to cross the Pacific to get to me :eek: I hope ZT will give light to this issue soon.
 
Perhaps I'm the odd one out... but my liner looks perfect, lockup is solid (50% isn't over travel.. CRKs come around 50% and look at how many people (dont) break those locks...) build quality is great... I cannot find a fault in the knife...


I didn't take my knife apart to look at the liner, but just a visual inspection and didn't see any rust there. My lockup is about 50% too and seems really solid.

I'm really surprised to hear all the QC issues with this knife. For a knife at this price and from ZT there shouldn't be all these QC issues.
 
thx, i may try that.

i don't like to have too much oil on any of my knives. i just don't like that stuff on my hands and i sometimes use them around food.

i only grease the pivot areas and maybe the detent. i have never been one to coat a blade to prevent corrosion.

but i may end up doing something like you mention if the rust (or whatever it is) returns.

I forgot to add that the Miltec-1 is wiped off with each days drop and 3 heat treatments. On the 3rd day of this there's a bone dry, water resistant, non-dust (or anything) resistant micro layer on the metal. It's awesome stuff read their website or other places for it's properties etc.

I think I got those directions from the site. I have stripped a lot of blades (like 1095, AUS8 most notably) and did the treatment, used them for my Benchmade 710 and (2) 940's actions and have never had a speck of rust. Get 'em wet slap on your jeans or a cloth and forget about them.

Good luck with whatever you do - maybe return for refitting? :) :thumbup:
 
Maybe I am imagining things, but I think I know what the problem is with the lock up. The blade has been stonewashed, and it appears the the blade was stonewashed AFTER the lock interface was ground. I just checked it against 2 other frame locks (XM18 and a Spydercp Sage II) the other knives have a clean cut lock interface and the 0551 has a stonewashed looking lock interface. Love the knife, just looks like early wear on the lock :(
 
Got lucky #0013. :rolleyes:

Some of the same issues as the rest of you. Just a touch of rust on the liner and lock up is at just under 50%. Very difficult to open with the T-studs one handed.

Wasn't a fan of the G-10 design at first, but in hand it grips well. Looks better in person.

Did I say it difficult to open one handed. :grumpy: Looks like I'll have something to do watching tv.

Still like it though.
 
Just opened mine. Same impressions as everyone else although I have no lock up issue. It's a bit stiff but not bad, the grind is even, the knife is very sharp. Feels like a damn workhorse in the hand. That said, it's very much a production knife, the fit and finish isn't 100% as the g10 is a little off in spots.
Popped the g10 side off as visual inspection didn't reveal any rust issues but sure enough it was there. Hit it with my little rust eraser and put it back together. The rust isn't going to be seen without removing the g10 I don't think.
It's really Hinderer though, big, beefy, thick, just feels awesome in the hand.
I like it, just don't love it yet :D
 
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I'm not ready to get excited yet since I don't even have one yet (two on preorder) but I have a hard time imagining the production staff at ZT would assemble these knives knowing the orange coloration is rust. Actually, even if it were something else, putting the knife together dirty seems out of character for a high end production knife.

The only time I've found rust under the scales on a knife was with a 10+ year old Camillus Cuda that I bought used and dissassembled to clean up. And I have disassembled a lot of knives.

If it can be cleaned and the rust inhibited forever if it is indeed rust, then I'm willing to do that for an overall "perfect by production standards" knife and if I don't void my warranty since rust is not an issue in Northern Nevada without leaving the knife exposed to weather. I simply have never had any corrosion issue with any knife here in Reno out of 100 or more knives regardless of the blade steel and certainly not with the liners.

I hope this isn't rust. I hope it isn't rust and still assembled and shipped for the sake of profit and I REALLY hope this isn't rust and still assembled and shipped to make a date. That would be the real kicker since we sort of pressured for a quick delivery from our computer keyboards.

I have seen what I consider a lot of issues with a few recent sprint run knives that could easily be attributed to haste. I just hope that's not the case because I am and was willing to wait for "better" :)

Let's give the the stake holders an opportunity to respond. Fortunately I haven't been charged yet and I don't have a bad 0551 in my hand yet :)

Fair is fair.
 
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Are there any Loctite problems with disassembling the 0551 or do the screws break free without jeopardizing the screw head?
 
Had to do it! Went ahead and took the knife apart to bend the lockbar myself for more tension and resolved the issue as far as I can tell. Didn't want to have to send the knife in. There is no loctite so the pivot can be adjusted very easily as well.

I hope I didn't add to any paranoia here! It is a very nice knife.

She locks up solid now with no lockbar play but a little further over than previously, @ about 75%, which isn't a concern of mine.

She's a Tank!:thumbup:
 
Had to do it! Went ahead and took the knife apart to bend the lockbar myself for more tension and resolved the issue as far as I can tell. Didn't want to have to send the knife in. There is no loctite so the pivot can be adjusted very easily as well.

I hope I didn't add to any paranoia here! It is a very nice knife.

She locks up solid now with no lockbar play but a little further over than previously, @ about 75%, which isn't a concern of mine.

She's a Tank!:thumbup:


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You left out the part about whether or not the liner was rusted and poorly finished.
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You left out the part about whether or not the liner was rusted and poorly finished.
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I polished it with 2000 grit and rubbed some tuff glide on the liner. It had some staining. Not sure if it was rust or not. Mine wasn't like some of the pics posted earlier. I figure if it becomes a problem I'll look into it then. ZT/Kershaw has excellent customer service.
 
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