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Loc-tite = bad

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BEAR View Drop Down
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    Posted: 04 December 2020 at 10:42
Most internet places recommend using a thread locker, like Loc-tite or iodine for scope base scews and other scope threads.

This is a poor practice.  

why?

often our rifles change POI and we start to analyse what is happening.  when sights and scopes are attached they are often very slightly out of line, as we shoot the scope bases move slightly, usually forward by recoil.  So the standard solution is " did you check all the screws for tightness?"

Well, with Loc-tite on the threads, screws will always be tight in their threads, they are locked/rusted into engagement.  so to a screwdriver, they will appear tight, even if there is massive or little movement between the receiver and the base (the reason for bad groups.)  Sure, you can put a torch to the screws and your rifle to break the bond, then check for rotation.  But no one does that, to then add more Loc-tite.

Lock tite is fine for things that vibrate alot, lawn mower engines, outboards, etc.   But scope screws isn't a good place for it.
The IQ and the life expectancy of the average American recently passed each other in opposite directions.
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d4570 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote d4570 Quote  Post ReplyReply Direct Link To This Post Posted: 04 December 2020 at 12:26
Your are right.
I think the process the boy uses, he does most out scope work.
He cleans the hole , threads, and screws with compressed air and alcohol or acetone, which ever one that wont mess up the bluing or what ever is on the action. DON'T touch it with your bear hands, set them to the correct inch pounds.Wacko
Remember: Four boxes keep us free ,the soap box, the ballot box, the jury box, AND the cartridge box
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BEAR View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote BEAR Quote  Post ReplyReply Direct Link To This Post Posted: 04 December 2020 at 13:46
a few years ago, I got a torque screw driver (fatwrench).  works good.  now I know I was over torquing those screws for years.
The IQ and the life expectancy of the average American recently passed each other in opposite directions.
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MapleHill View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MapleHill Quote  Post ReplyReply Direct Link To This Post Posted: 04 December 2020 at 18:15
I loc-tite the bases to the rifle, NOT the rings. I have seen many rifle bases loosen up. In my profession loc-tite, retaining compound and various other magic potions save your butt. Blue loc-tite is very forgiving, be careful with the red stuff and green stuff...you'll curse trying to get little screws out ever again!!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote d4570 Quote  Post ReplyReply Direct Link To This Post Posted: 04 December 2020 at 18:31
Heat helps a lot. I have a heat gun that will do mid 500* should not hurt the barrel.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Wing master Quote  Post ReplyReply Direct Link To This Post Posted: 05 December 2020 at 19:03
I've never heard of Iodine being used as a thread locker. 

I've never used Locktite. Mostly because I think I might want to get the screws out some day. 

I've always done pretty much what D explained. 

The "Fat Wrench" is a good investment. 

Wing master
I have always considered myself to be quite the bullshitter, But ocasionally it is nice to sit back and listen to a true professional......So, Carry on.
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