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Max Online: 16728 @ 03/25/12 08:51 AM
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#7009485 - 12/23/17 10:29 PM Loctite - Good or bad
Texas Dan Online   content
THF Celebrity

Registered: 07/28/08
Posts: 12690
I've never been one to use Loctite on scope screws for the simple reason that nothing is permanent. Something happens and you find yourself needing to remove or replace your scope. I was reminded of it this past weekend when a friend encountered a loose scope base on his rifle. Whoever owned the scope before him must have used Loctite on the ring screws because they wouldn't break loose. Fortunately, the base was the Leupold type with a dovetail base on the front ring and double screw base (which some despise) on the rear. This made it possible to remove the scope with the rings still attached.

I understand there are remedies for screws that have been seized with Loctite, and that other blends of Loctite are available that don't create a more permanent setup. Not sure the potential hassle after using Loctite warrants the benefits.
_________________________
Dan,

Spring, Texas

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#7009494 - 12/23/17 10:34 PM Re: Loctite - Good or bad [Re: Texas Dan]
Shaner Online   content
Bird Dog

Registered: 09/08/12
Posts: 357
Loc: Frisco, TX
Use blue Loctite and itís not an issue.

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#7009496 - 12/23/17 10:36 PM Re: Loctite - Good or bad [Re: Shaner]
Texas Dan Online   content
THF Celebrity

Registered: 07/28/08
Posts: 12690
Originally Posted By: Shaner
Use blue Loctite and itís not an issue.


Does this offer an benefit over not using any thread locker?
_________________________
Dan,

Spring, Texas

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#7009497 - 12/23/17 10:36 PM Re: Loctite - Good or bad [Re: Texas Dan]
bronco71 Online   content
Bird Dog

Registered: 09/04/07
Posts: 306
Loc: N. Dallas/Sulphur Bluff
blue loctite good, red bad for most things

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#7009499 - 12/23/17 10:40 PM Re: Loctite - Good or bad [Re: Texas Dan]
bronco71 Online   content
Bird Dog

Registered: 09/04/07
Posts: 306
Loc: N. Dallas/Sulphur Bluff
Originally Posted By: Texas Dan
Originally Posted By: Shaner
Use blue Loctite and itís not an issue.


Does this offer an benefit over not using any thread locker?

yes, blue is removable with extra force, red needs heat to remove

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#7009517 - 12/23/17 10:57 PM Re: Loctite - Good or bad [Re: Texas Dan]
RiverRider Offline
THF Trophy Hunter

Registered: 11/11/07
Posts: 7525
Loc: Wise Co.
Loctite purple is a better alternative to blue---if you can find it. But blue is definitely a better choice than red. Don't use red.
_________________________


Originally Posted By: Ronald Reagan
It's not that liberals are not smart, it's just that so much of what they know isn't so.

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#7009590 - 12/24/17 01:56 AM Re: Loctite - Good or bad [Re: Texas Dan]
bronco71 Online   content
Bird Dog

Registered: 09/04/07
Posts: 306
Loc: N. Dallas/Sulphur Bluff
Beware of green also, it is a wicking formula that will seep into threads already tightened which is nice but it is almost as strong as red and usually requires heat to loosen. It is also hard to find.

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#7009659 - 12/24/17 07:15 AM Re: Loctite - Good or bad [Re: Texas Dan]
Rustler Online   content
Extreme Tracker

Registered: 03/01/07
Posts: 3558
Loc: Carrollton/ Young, Blanco coun...
Loctite 222 purple is designed for fasteners 1/4" and under, what I use on base & ring screws.
Blue is for 1/4" - 3/4" fasteners, you can use it on base & rings, but, if you have to remove & replace a fastener as small as most base & ring screws the cured residue remaining in the threads will make it near impossible to torque accurately unless residue is removed.

Yeah I know, it's another one of those my grandfather & father and 116 people I know have always used blue and never had a problem kinda deals.
Purple is plenty strong for the application & specifically developed & designed for small / tiny fasteners 1/4" or less.

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#7009664 - 12/24/17 07:26 AM Re: Loctite - Good or bad [Re: Texas Dan]
Texas Dan Online   content
THF Celebrity

Registered: 07/28/08
Posts: 12690
Here's another question for those most familiar with Loctite.

Should a screw be tightened as hard when using Loctite as it would if not using it?
_________________________
Dan,

Spring, Texas

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#7009680 - 12/24/17 07:50 AM Re: Loctite - Good or bad [Re: Texas Dan]
68A Offline
Veteran Tracker

Registered: 09/29/12
Posts: 2657
Loc: North Texas
Ive never used it on anything. Havenít had a problem. The only place I would consider using it would be for base screws.

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#7009687 - 12/24/17 08:02 AM Re: Loctite - Good or bad [Re: Texas Dan]
Rustler Online   content
Extreme Tracker

Registered: 03/01/07
Posts: 3558
Loc: Carrollton/ Young, Blanco coun...
Loctite reccomends reducing toque by 20%, which is I'm sure a standard / general answer.
When I tested the friction factor & calculated a K value for purple with my specific base screws for my rem LTR I came up with an actual 12.525% less.

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#7009696 - 12/24/17 08:07 AM Re: Loctite - Good or bad [Re: Texas Dan]
Vern1 Offline
Veteran Tracker

Registered: 09/13/11
Posts: 2148
Loc: Pettytown, TX, US of A
It might be the PO was just a gorilla with a good gunsmithing screwdriver and didn't use locktite.

Loctite is good when used properly but can get really bad real fast when used improperly.
_________________________
Cheers,
Vern1
Texans since The Old 300 in 1824
NRA Lifetime Member

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#7009723 - 12/24/17 08:27 AM Re: Loctite - Good or bad [Re: 68A]
Buzzsaw Online   content
THF Celebrity

Registered: 06/29/11
Posts: 10820
Loc: Frisco, Texas
Originally Posted By: 68A
Ive never used it on anything. Haven’t had a problem. The only place I would consider using it would be for base screws.


I never use it anymore. With todays quality mounting systems, I don't believe its necessary. But this just me. Torque tool is your friend.
_________________________
"I ain't here for a long time, I'm here for a good time"
King George Strait



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#7009733 - 12/24/17 08:35 AM Re: Loctite - Good or bad [Re: RiverRider]
scottfromdallas Offline
Tracker

Registered: 06/23/15
Posts: 637
Loc: TX
Originally Posted By: RiverRider
Loctite purple is a better alternative to blue---if you can find it. But blue is definitely a better choice than red. Don't use red.


I use purple when mounting bases to the action. I will use them on rings that only have one screw on each side.
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Scott

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#7009735 - 12/24/17 08:37 AM Re: Loctite - Good or bad [Re: Texas Dan]
bronco71 Online   content
Bird Dog

Registered: 09/04/07
Posts: 306
Loc: N. Dallas/Sulphur Bluff
purple is also better for aluminum, such as AR receivers. About the only place I use it is large caliber scope mounts, big heavy scopes (like night vision) and when building AR receivers I always do an upgrade adding a set screw to take out the trigger creep...do not want this screw to move or it will cause problems!

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