List of ZTs that Don't Have Lock Failure Issues

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All good with a hard spine thump on my hand. Nor do the locks move, when I put quite a bit of pressure on the spine.
 
The vast majority don't.

Point me to where I said they did.
I realize my issues are anecdotal and not necessarily indicative of statistical significance. I have made this painfully clear, or at least I have attempted to. However, I don't have an anti ZT agenda. I'd buy one of their fixed blades or a 301 tomorrow. I'd grab a 900 if I found one new in box and the price is right. However, I'm not going to be an apologist. 5 out of my 8 have issues.
 
My issue is that zt has seemed to fix some and deny issues with others.

I just want to know that they are making changes on the production floor to remove any doubt of these issues on future knives. Ie fix lock geometry .

And fix those with the issue instead of denial..
 
Point me to where I said they did.
I realize my issues are anecdotal and not necessarily indicative of statistical significance. I have made this painfully clear, or at least I have attempted to. However, I don't have an anti ZT agenda. I'd buy one of their fixed blades or a 301 tomorrow. I'd grab a 900 if I found one new in box and the price is right. However, I'm not going to be an apologist. 5 out of my 8 have issues.

You can read what I quoted. Out of 20 or so ZTs I've owned, none have had issues. You must have bad luck. I'm no a zt apologist. Like you, I wish they would get back to their roots with over built knives. That said, I think the reports of lock failure are massively over blown. The vast majority of their knives don't have this issue. To try and compile a list of specific models that don't fail is ridiculous. If someone has a problem with a knife that is not fixed by zt or not addressed by the dealer, by all means, post it up and they will be judged.

As it stands I don't see this as the huge problem it is being made out to be...
 
You can read what I quoted. Out of 20 or so ZTs I've owned, none have had issues. You must have bad luck. I'm no a zt apologist. Like you, I wish they would get back to their roots with over built knives. That said, I think the reports of lock failure are massively over blown. The vast majority of their knives don't have this issue. To try and compile a list of specific models that don't fail is ridiculous. If someone has a problem with a knife that is not fixed by zt or not addressed by the dealer, by all means, post it up and they will be judged.

As it stands I don't see this as the huge problem it is being made out to be...
I agree.

What's funny is there are threads complaining the lock bar pushes all the way over and is difficult to unlock, and there are threads complaining of failure to survive! spine taps or whacks.
 
You can read what I quoted. Out of 20 or so ZTs I've owned, none have had issues. You must have bad luck. I'm no a zt apologist. Like you, I wish they would get back to their roots with over built knives. That said, I think the reports of lock failure are massively over blown. The vast majority of their knives don't have this issue. To try and compile a list of specific models that don't fail is ridiculous. If someone has a problem with a knife that is not fixed by zt or not addressed by the dealer, by all means, post it up and they will be judged.

As it stands I don't see this as the huge problem it is being made out to be...
It actually is a problem to the people with these issues. If you like you can leave the conversation if you don't have any issues. Your point of view on this isn't helping anyone with the problem.
 
There don't seem to be any particular models that fail more often than others. However, it seems that I hear more about the 909 and 630 shutting the easiest.

Here's the thing: This thread is going to go down in flames because people treat ZT knives like politics. Someone will post a link to some knives failing and be ready to burn the witch. Someone will say he has never had a ZT lock failure and follow it with something snarky like "Well that's what fixed blades are for..."

I don't have a real dog in this fight. I like ZT. I buy ZT. I have never had one fail under actual use. HOWEVER: 5 of 8 of mine will fail a light tap test. I didn't beat the bejesus out of them. I didn't try to get it to fail at weird angles. My 920, 630, and 452 will fold if tapped against a roll of duct tape if I grab the handle in such a way that the lock is not given positive pressure. My 350 and 920 will fold if I put medium/firm pressure on the tip. I can't jam the lock on these as they are liner locks. My 462, 456, and 850 pass all tests.

Currently I am done with ZT. Not because of the failures but because they moving farther and father away from the tank-like knives of days gone by. Short of a new fixed blade, I don't see anything that blows my skirt up.

ZTs do have some issues. They can and do fail pretty light whacks/taps. I like to think of myself as a pretty even keeled guy and one who if you read my posts isn't prone to hyperbole. I have had issues 5 out of 8 times. Not something I think is the end of world, but I cannot be as dismissive as some. I've tried correcting my 630, 920, and 909 with limited results. I don't care enough to send them back to the mother ship as ZT hasn't been addressing the issues (my 350 still fails even after going back). They probably won't fold on me under normal use, and I have plenty of other designs that will hold up to the worst of abuse.
Nice discussion.
This issue, plus the question of steel heat treatment, plus the fact that their folders are flipper only opening, has kept me away from ZT in recent years.
For me, "overbuilt" means , among other things a strong, secure lock up under hard use(not abuse).
 
It actually is a problem to the people with these issues. If you like you can leave the conversation if you don't have any issues. Your point of view on this isn't helping anyone with the problem.
This conversation/thread isn't helping anyone :confused: two of the same models aren't guaranteed to have the same issue. So naming model numbers that don't have issues is misleading and fruitless. Period.
 
This conversation/thread isn't helping anyone :confused: two of the same models aren't guaranteed to have the same issue. So naming model numbers that don't have issues is misleading and fruitless. Period.
And I agree with that.
 
This conversation/thread isn't helping anyone :confused: two of the same models aren't guaranteed to have the same issue. So naming model numbers that don't have issues is misleading and fruitless. Period.

I guess I concede that point.
 
I'm hoping ZT fixed the lock slip issues permeating through every model they have made.
I really like the 0562ti. Are there any reported issues of lock slip with this model?
 
I wouldn't say it's model specific but a qc issue. They have issues with lock geometry on random knives. The guy who tested this had all 7 of his knives fail. And there have been failures many years ago too. So technically it could happen to any of them. Though I suspect some models won't have the issue at all, it's too hard to tell.

Seems like alot of 620/630s have issues. This is based on my 620cf having a lock that would fail with a light tap against the corner of a cardboard box (which was 100% fixed by bending my lockbar in abit) and then also the fact I have seen many other people post about their 620/630 having issues.

Alot of 452s seem to have locks that can be pushed over to the other side but I’ve never had an issue with my 452 which does this.
 
I'm hoping ZT fixed the lock slip issues permeating through every model they have made.
I really like the 0562ti. Are there any reported issues of lock slip with this model?
Yes there are and no zt hasnt fixed anything in the assembly line.
 
Bummer. I guess I'll pass. Fucking ZT, man
Unfortunately zt are very cocky and don't think this is an issue at all since knives are flying off the shelves. People either don't know or don't care. And the few it affects are like mice squeaks in the night.
 
Yes there are and no zt hasnt fixed anything in the assembly line.
How would you know what ZT is doing? Companies are constantly updating QC internally, notice the word internally.
Bummer. I guess I'll pass. Fucking ZT, man
Why? Because one guy said something? Why not try for yourself? Or, ask one of our very trusted venders on this website if you want more details on this knife before you purchase it. I've owned two ZT 0562BLK and the lock up was nothing but perfect. If one guy who clearly has something against ZT says a negative comment, and that is enough to discourage you from buying that knife, you never wanted it that bad in the first place. Returns exist for a reason.
Unfortunately zt are very cocky and don't think this is an issue at all since knives are flying off the shelves. People either don't know or don't care. And the few it affects are like mice squeaks in the night.
This coming from the guy who has posted 5.38 times daily for the past 971 days and is seemingly very over confident on his often extremely negative posts.
 
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All good with a hard spine thump on my hand. Nor do the locks move, when I put quite a bit of pressure on the spine.
You can add a 0462 to that list. I could drive a nail in with the spine of mine, Just saying
 
How would you know what ZT is doing? Companies are constantly updating QC internally, notice the word internally.

Why? Because one guy said something? Why not try for yourself? Or, ask one of our very trusted venders on this website if you want more details on this knife before you purchase it. I've owned two ZT 0562BLK and the lock up was nothing but perfect. If one guy who clearly has something against ZT says a negative comment, and that is enough to discourage you from buying that knife, you never wanted it that bad in the first place. Returns exist for a reason.

This coming from the guy who has posted 5.38 times daily for the past 971 seemingly very over confident on his often extremely negative posts.
I'm not a knife don't discuss me. I could have some choice words for you but... That be against the rules. There's a section on the forum you can cry about members in. Feel free to do it there. I'll gladly ignore it. In any case what ive said is true.
 
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