Sad day for me a ZT lover...

If it is failing, then it is because the lock is not set right, and because it has a steel lockbar interface. That's the downside to steel interfaces. They don't wear over time and your lock won't travel, but you lose the natural ability of titanium to gall, or "stick" to steel that keeps titanium lockbars from slipping on their own most of the time.

If the lock is set in the right place, then it usually isn't a problem, but with the recent trend of everyone wanting early lockup on their knives, most companies still try for that even though you really don't want an early engagement with a steel insert.

And I also have a Sebenza 25, and have had an SNG and XM-18, and have never had a problem with any of them.
I also regularly EDC a Shirogorov 95T, which has a steel insert, but much better overall geometry in the lock (though not particularly late lockup either), and have never had a problem with it either.

IDK, sometimes it doesn't etc... I just want to know I can trust a product.
 
Yeah, Blues B uses his knives, beats on them, and I haven't read a single post from him that his knife failed, pretty sure he stabbed at least some pretty hard surfaces

Key is that he knows what his knives will handle very well though. I have seen a lot of the stuff that he uses his knives for and he never really does anything that I would definitely say you should not do with a knife at least.

he does get a little rough though, even with his Rockstead ;)
 
IDK, sometimes it doesn't etc... I just want to know I can trust a product.

Then I would honestly recommend a fixed blade like Blues said. There is literally nothing that can go wrong with them, and I usually have a fixed blade with me at work in case some weird task comes up that I don't want to or shouldn't use a folder for (I work in custom furniture so it happens a fair amount).

I carry a Bark River Bravo EDC in Elmax. A small knife, but it will get a lot done.
 
Key is that he knows what his knives will handle very well though. I have seen a lot of the stuff that he uses his knives for and he never really does anything that I would definitely say you should not do with a knife at least.

he does get a little rough though, even with his Rockstead ;)

What exactly does rough usage mean? Also, yes I am still trying to figure out the boundaries of the knives and what I can expect and are my worries logical or not.
 
The whole purpose of a titanium frame lock is to use the pressure that your grip puts on the lock bar to make it nearly impossible to slip. If you were not gripping it during your tests then yes it will fail.
 
Jesus this seems like insanity to me. Since when was "stabbing anything" a common experience in an edc situation? The only thing I can come up with is another person. And even in that case, in a defensive life or death situation you are probably going to use a series of slices and slashes. There's hypothetical situations and there's fantasy. This is obviously fantacy. You can find out all you need on YouTube. Just search Cliff Stamp ZT0561. You will see that frame locks are not the most reliable locking mechanism and are extremely succeptable to lateral stresses. In regards to steels, you would be better served by cheaper steels. Steels are almost always a trade-off. The so called "super" steels are known for edge retention, which is wear resistance. Cheaper steels lack edge retention, but make up for in toughness. Nothing is free in steels. To get a certain positive trait, you have to give up another.
 
What exactly does rough usage mean? Also, yes I am still trying to figure out the boundaries of the knives and what I can expect and are my worries logical or not.

I think your worries on the lock could be considered logical enough, given that a tanto knife with a wave on it is probably built with at least some thought put towards having to stab at some point in time. Some people will think that it doesn't make sense because the chances are so low that it will actually happen, and they also have a point.
Short version, I don't think there is anything wrong with you being worried what your knife can handle.

Now, in terms of what Blues does to his knives...well, the man works in construction, and works his butt off all of the time, so he tends to end up cutting a lot of things that eat up blades, like carpet, drywall, and bags of aggregate and such. These things are mostly just abbrassive, and can really eat up your edge if you're not careful. He also uses his $1000 knife in mud and whatever he happens to be covered in sometimes...which makes even me cringe sometimes, but it's also great to see a knife like a Rockstead, which is purpose-built to be a cutting machine, being used for what it is supposed to be, instead of just being babied and never getting used.

I think your worries are something you shouldn't think too much about and you should just try and find the best knife for you, regardless of what others think. We might be able to help you find it or explain why some knives work better for you than others, but the decision and the opinion is ultimately your own.

The nice thing about this hobby is there is a knife somewhere with the features you want, and if not, there is certainly someone who can make it ;)
 
Yeah, Blues B uses his knives, beats on them, and I haven't read a single post from him that his knife failed, pretty sure he stabbed at least some pretty hard surfaces

Yep, 4V is perfect for stabbing steel studs:D

4F8F4EE7-08AF-44C2-BDD0-5254CDC57EC9_zps9z7emumv.jpg


Key is that he knows what his knives will handle very well though. I have seen a lot of the stuff that he uses his knives for and he never really does anything that I would definitely say you should not do with a knife at least.

he does get a little rough though, even with his Rockstead ;)

Exactly, a thorough understanding of lock geometry, edge geometry, and steel properties will all help me pick the proper tool for the job. In this case, the 0620 or the Grip were not the proper tool.
 
Yep, 4V is perfect for stabbing steel studs:D

4F8F4EE7-08AF-44C2-BDD0-5254CDC57EC9_zps9z7emumv.jpg




Exactly, a thorough understanding of lock geometry, edge geometry, and steel properties will all help me pick the proper tool for the job. In this case, the 0620 or the Grip were not the proper tool.

Damn it, that photo makes me want to finish the scales for my CPM-4V mule and take it out for a spin... that steel sounds like it can take a beating.
 
And some others would...remember this thread?

http://www.bladeforums.com/forums/showthread.php/1286779-You-can-t-do-THAT-with-a-ZT

Some folks turned into downright dicks in it. :D

Oh that was a classic.

My ZTs work just fine but I use them as knives. If you use them as something other than knives you can expect these types of issues. For further clarification, look at the warranty. That will tell you how ZT designed their knives to be used. It really is that simple.
 
This has happened before...

ZT is supposed to be tough overbuilt tanks...

Then the appologists come out attacking the OP for not using the knife properly... IMO, they are right of course, knives are not for hammering or prying... but when all is good and no one is complaining, then it's back to the status quo with ZT being this tough, overbuilt, over strong, cyborg knives...

If you're not supposed to do these things with these knives, then what's the point of making them tough, overbuilt, overstrong... What, they are only cutters and slicers when someone complains right? :p

Hey but it LOOKS tough, overbuilt, overstrong..That can never be questioned.
 
This has happened before...

ZT is supposed to be tough overbuilt tanks...

Then the appologists come out attacking the OP for not using the knife properly... IMO, they are right of course, knives are not for hammering or prying... but when all is good and no one is complaining, then it's back to the status quo with ZT being this tough, overbuilt, over strong, cyborg knives...

If you're not supposed to do these things with these knives, then what's the point of making them tough, overbuilt, overstrong... What, they are only cutters and slicers when someone complains right? :p

Which models are you talking about? The 560 is not the same as the 450, and the 620 isn't the same as a 560. Some will take abuse better than others.
 
Which models are you talking about? The 560 is not the same as the 450, and the 620 isn't the same as a 560. Some will take abuse better than others.

Whatever the case,

At least they LOOK tough, strong, overbuilt and that can never be questioned.

Doesn't matter which model ZT... if An OP comes in saying that it wasn't up to task... people here will say that knives are only for cutting and slicing and not abuse... What's the point of making them.. tough, overbuilt, super strong... This ain't my first rodeo, all these models including the older ones from the 0200 on up they suddenly become potato slicers when someone comes in here complaining.
 
Whatever the case,

At least they LOOK tough, strong, overbuilt and that can never be questioned.

Doesn't matter which model ZT... if An OP comes in saying that it wasn't up to task... people here will say that knives are only for cutting and slicing and not abuse... What's the point of making them.. tough, overbuilt, super strong... This ain't my first rodeo, all these models including the older ones from the 0200 on up they suddenly become potato slicers when someone comes in here complaining.

Are you speaking from personal experience, or based on something you've seen on YouTube? What models have you used that had durability issues?
 
Are you speaking from personal experience, or based on something you've seen on YouTube? What models have you used that had durability issues?

Reading comprehension is fundamental sir.

I don't hammer with knives or pry with them.

I cut and slice with knives...
 
Whatever the case,

At least they LOOK tough, strong, overbuilt and that can never be questioned.

Doesn't matter which model ZT... if An OP comes in saying that it wasn't up to task... people here will say that knives are only for cutting and slicing and not abuse... What's the point of making them.. tough, overbuilt, super strong... This ain't my first rodeo, all these models including the older ones from the 0200 on up they suddenly become potato slicers when someone comes in here complaining.

Marketability/gullibility
 
Whatever the case,

At least they LOOK tough, strong, overbuilt and that can never be questioned.

Doesn't matter which model ZT... if An OP comes in saying that it wasn't up to task... people here will say that knives are only for cutting and slicing and not abuse... What's the point of making them.. tough, overbuilt, super strong... This ain't my first rodeo, all these models including the older ones from the 0200 on up they suddenly become potato slicers when someone comes in here complaining.

This.

Most consumer products are sold on fantasy. Many marketing fantasies prey on our fears; fear of rejection, fear of inadequacy, fear of lack of safety. Big SUVs sold as safe while being more prone to roll overs.

The ZT, like pretty much all knives is consumer products and one hyped as hard use. Buyers dutifully repeat the mantra to keep the fantasy alive and to justify their buying into it. Otherwise they have to admit they were duped somewhere along the line.
 
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