I Noticed the new ZT 301s have screws on the Lockbars...

d2eux

d2eux

Joined
Oct 10, 2010
Messages
289
I must be late to the party because I havent checked up on updates to the ZT301. But can anyone tell me the purpose behind putting a screw onto the lockbar?
 
It's used to attach the steel lockbar insert, so the lock is steel-on-steel instead of titanium-on-steel. It helps alleviate the initial sticky lock symptom that sometimes comes with titanium lockbars. It also doubles as an overtravel stop instead of having the lockbar stabilizer disc being separate. And in the off chance that the lock face on the lockbar wears down too much, the lockbar insert can be swapped out (instead of swapping the entire scale).
 
flarp said:
It's used to attach the steel lockbar insert, so the lock is steel-on-steel instead of titanium-on-steel. It helps alleviate the initial sticky lock symptom that sometimes comes with titanium lockbars. It also doubles as an overtravel stop instead of having the lockbar stabilizer disc being separate. And in the off chance that the lock face on the lockbar wears down too much, the lockbar insert can be swapped out (instead of swapping the entire scale).
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Thanks for the explanation.

Hm. Well, I have one of the older models. Not sure if its worth selling to get a newer version for that feature....
 
BellaBlades said:
Not worth it at all. IMO
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I agree. The money you will lose will out weigh any possible benefit you will gain. If your knife is working fine now, use it. If it develops a problem, send it to ZT. The will fix it, might even install a new lock side with the new insert.
 
Thanks BellaBlades and craytab for the recommendation. Makes sense to me.

BellaBlades, I checked into the link to your custom work - those are some beautiful works of art you're producing there!
 
d2eux said:
Thanks for the explanation.

Hm. Well, I have one of the older models. Not sure if its worth selling to get a newer version for that feature....
Click to expand...

Doesn't mKe any difference, they are discontinued so, if you like it, keep it. The likelihood of seeing any new ones rolling off the assembly line are about the same as new folks reading the exchange rules before posting, zero!
 
RevDevil said:
Doesn't mKe any difference, they are discontinued so, if you like it, keep it. The likelihood of seeing any new ones rolling off the assembly line are about the same as new folks reading the exchange rules before posting, zero!
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Awesome. :D;):thumbup:


65218168.jpg
 
d2eux said:
I must be late to the party because I havent checked up on updates to the ZT301. But can anyone tell me the purpose behind putting a screw onto the lockbar?
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An answer to a non-existent problem in my opinion. After regretting selling my old one I picked up a new one that has the insert. I don't care for the insert very much.
Keep and enjoy the one that you have.
Best of luck.
 
The only reason I can see is that if you bend a lockbar outwards or somehow push too hard outwards on it while attempting to close the knife (without that screw/some sort of stop in place), it would permanently damage the mechanism. It would be too much torque for the pivot point which doubles as the spring (the thinnest part), and this would cause the metal to deform or break. Let's be honest here, a child could break a 3 inch x 1/2 inch x 1/16 inch piece of steel with their hands.

But in the real world, this should never happen unless you try to break the knife on purpose. The screw prevents that from happening, so there is no chance of overextending the bar at all anymore. It solves the inherent design flaw described above.

That is just my take on why the screw is there. It isn't there for aesthetics I don't think, and it doesn't affect any other mechanism. I don't think it is for a replaceable lock bar, since I searched pictures of the knife and the lockbar was still connected in one piece with the frame.
 
Cutlover said:
The only reason I can see is that if you bend a lockbar outwards or somehow push too hard outwards on it while attempting to close the knife (without that screw/some sort of stop in place), it would permanently damage the mechanism. It would be too much torque for the pivot point which doubles as the spring (the thinnest part), and this would cause the metal to deform or break. Let's be honest here, a child could break a 3 inch x 1/2 inch x 1/16 inch piece of steel with their hands.

But in the real world, this should never happen unless you try to break the knife on purpose. The screw prevents that from happening, so there is no chance of overextending the bar at all anymore. It solves the inherent design flaw described above.

That is just my take on why the screw is there. It isn't there for aesthetics I don't think, and it doesn't affect any other mechanism. I don't think it is for a replaceable lock bar, since I searched pictures of the knife and the lockbar was still connected in one piece with the frame.
Click to expand...

You are confused. All but the last versions of the 301 had a lock bar stabilizer (look it up). The last version does not have a lock bar stabilizer but rather a lock bar insert were the lock bar interfaces with the tang of the knife. This insert has a screw and is removable.
 
craytab said:
You are confused. All but the last versions of the 301 had a lock bar stabilizer (look it up). The last version does not have a lock bar stabilizer but rather a lock bar insert were the lock bar interfaces with the tang of the knife. This insert has a screw and is removable.
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I searched zt 301, everything that came up had the scred at abiut mid-bar height

Any links to the new model?
 
RevDevil said:
Doesn't mKe any difference, they are discontinued so, if you like it, keep it. The likelihood of seeing any new ones rolling off the assembly line are about the same as new folks reading the exchange rules before posting, zero!
Click to expand...

That is news to me, wow farewell 301!
 
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