Square stop pins?

Matt Shade

Matt Shade

Joined
Nov 24, 1999
Messages
4,981
Over in the general forum alot of people had complaints about the stop pins flatteing out and causeing blade play after repeated flicking to open the blade in their liner locks. I found some square music wire that seems like it would solve that problem and was just wondering if anyone had made one that way before.

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Fix it right the first time, use Baling Wire !
 
Sounds like the problem isn't the shape of the stop pin, but the quality of the material it's made of. Are stop pins hardened before they're installed? Seems like you could just heat them and douse them and leave them fully hardened. Take care! Michael

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Yes thats right . The pins need to be hard..
A square pin is a good idea. just mill a slot in the liner and drop it in eh ?
I did it from the top of the knife then a screw on each side of the frame . It worked well but a hradened pin will take some real abuse. SLAMMING A KNIFE OPEN will cause even hardend pins to flaten. That is not what a folding knife was built to do.
One thing about knives that some folks forget. They can be compared to an auotmobile
If you abuse them the engine blows. If you take care of them they last a long time.

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The biggest problem is finding a drill bit that will drill a square hole.

Seriously, I use hardened backstop pins (.187) and they still get hammered. It's that flicking thing. Best solution I ever found was to use 2 thumb buttons that also act as the blade stop pins (like I did with my M16 series).
 
The thumbstuds are a great idea too. Everyone complains when knives aren't made for leftys to use. Having the stud in close makes it faster to open since it gives you a smaller radius to move the stud through to open the blade too. It shouldn't make that much of a differnece but it should be nice for people with smaller hands.
I don't know how hard the people were opening their knives that complained. They might have been talking about inertia opening where you flick the handle away and let the weight of it open the knife. That would be hard on stop pins, especially the ones with heavy titanium or SS handles. I agree with you guys that you shouldn't open the knife with any more force than you need to get it open. I'm working on lockbacks right now and was just thinking about things that could be done to make the liner locks last longer, and wondered what you guys thought. Thanks for your ideas I may get into linerlocks some day, right now I like lock backs better any way.

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Fix it right the first time, use Baling Wire !
 
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