Loctite and pivots?

B

ballsagne

Joined
Jun 14, 2009
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196
I have read numerous posts about applying loctite to a pivot once it has been adjusted to the owners preferences. I am just wondering how this loctite is "applied" to a pivot. small amount? what kind? is it just "squirted" in there? I appreciate any input. Thanks in advance.
 
I make a line down the threads of the pivot screw--just a small line. A little goes a long way. Then, you just screw it in as normal.
 
I use a toothpick to apply just a little bit on one side of the threads-not the full length, but only a few threads.

A little goes a long way. A lot of folks are using purple, but I use blue.
 
I use purple on my Umnumzaan because that is what's recommended. Just a dab on the male threads before you screw it in is all you need. You have a bit of wiggle room to adjust the tension before it sets. Breaking it free is only a matter of using some firm steady pressure till it releases.
 
Daniel said:
I use a toothpick to apply just a little bit on one side of the threads-not the full length, but only a few threads.

A little goes a long way. A lot of folks are using purple, but I use blue.
Click to expand...

This is what I do as well. Make sure the threads are clean before applying(male and female) and let it cure for 24 hours and you are set.
 
Daniel said:
I use a toothpick to apply just a little bit on one side of the threads-not the full length, but only a few threads.

A little goes a long way. A lot of folks are using purple, but I use blue.
Click to expand...

Exactly what I do. :thumbup:

Stays in place, but easy to remove without having to apply heat to the pivot.
 
Daniel said:
I use a toothpick to apply just a little bit on one side of the threads-not the full length, but only a few threads.

A little goes a long way. A lot of folks are using purple, but I use blue.
Click to expand...

I agree with Daniel above -

Apply VERY sparingly, toothpick works good for application, and I use the blue.

best regards -

mqqn
 
loctite is easy to over apply. I prefer plumbers teflon tape. I've used every kind of loctite wrenching on cars and the stuff can ruin your day if you use too much, especially on such a small bolt.
 
Purple or blue only...clean threads...curing overnight is best (see the data sheets)...less is more...if you use purple or blue, you shouldn't need heat, just the proper tools...did I mention, only use purple or blue? ;)
 
Chrome Horn said:
To break it free, use a little heat. A soldering iron with a small tip is good.
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Not quite sure that's enough, but that might depend on the type of threadlocker. I spent 2 minutes per screw with the soldering iron on my Spyderco Gayle Bradley, then dabbed some acetone on top of the screws(after it cooled) and let it dry. I did manage to remove the screws without stripping them, but my Benchmade Torx bit got a little twisted.
 
crom said:
loctite is easy to over apply. I prefer plumbers teflon tape. I've used every kind of loctite wrenching on cars and the stuff can ruin your day if you use too much, especially on such a small bolt.
Click to expand...

Hmm, I never considered this. How do you apply the tape on such a small area? Do you cut up a small sliver and wrap the pivot screw? I wanna try this now.
 
"Hmm, I never considered this. How do you apply the tape on such a small area? Do you cut up a small sliver and wrap the pivot screw? I wanna try this now."

That's exactly what I do.
 
Noctis3880 said:
Not quite sure that's enough, but that might depend on the type of threadlocker. I spent 2 minutes per screw with the soldering iron on my Spyderco Gayle Bradley, then dabbed some acetone on top of the screws(after it cooled) and let it dry. I did manage to remove the screws without stripping them, but my Benchmade Torx bit got a little twisted.
Click to expand...

If you're using the loctite properly, you shouldn't need to be using any heat at all. You really oughtn't be using anything other than blue loctite for cutlery, anyway (god forbid you should put red loctite on a knife and then try to take it off later).
 
I use Blue242 on the end of a tooth pick. I put a tiny dot in the female part of the pivot screw. That way there is less chance of it getting in the pivot. If you put it on the male threads it can wipe off into the pivot as it is threaded in. You should never need heat to get the screw out ... as has been said ... if you do ... you used way to much.
 
wow thanks for all the input I have some blue loctite, I think Im gonna try this on one of my cheaper knives before i go messing with any of my more expensive models. But just to be clear, in order to apply, the pivot screw has to be completely removed?
 
Dorito Monk said:
If you're using the loctite properly, you shouldn't need to be using any heat at all. You really oughtn't be using anything other than blue loctite for cutlery, anyway (god forbid you should put red loctite on a knife and then try to take it off later).
Click to expand...
Actually the threadlocker was already on the screws when I bought the brand new knife. It might have something to do with the knife being made in Taiwan, or Spyderco does that on all their knives.

Anyways, I think it's better to be safe by heating all screws prior to disassembling a knife, but I can somewhat see a problem with that on my Endura 4 with FRN handles.
 
crom said:
loctite is easy to over apply.. . .
Click to expand...

Seems like many manufacturers have failed to learn this lesson. I can't tell you how many times I have had extreme difficulty getting a knife apart b/c the manufacturer used way too much loc-tite.
 
I like to use the Red. I use very little right in the center of the bolt/screw as soon as I find the spot where tentsion is high but not over done.
 
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