Which Locktite to use on guns

[looney2ns]

Ruger say's to use red. I bought some, then read the instructions.
Will have to heat to 500 degree's to seperate parts or words to that affect.

So my question is, if I use Red is it really that permanent?
Or do you suggest a lessor strength Locktite?
I'm mounting scope rails and repairing a front site that came loose on a 22/45 if that matters.

Suggestions appreciated.

 

[Fishersjohn48]

Blue Loctite is what I use on sights/scope mounts. Has worked for me.

 

[Vince49]

I use Blue 242.

Loc-tite red is,"stud and bearing locker", and is generally for parts like cylinder head studs that you never intend to remove. The blue is,"thread locker", and is what I use for gun parts. I spent thirty years in aviation and also operated my own racing team for awhile. We never used the red on anything that we even remotely thought we might need to adjust or remove later as it does require a lot of heat and or elbow grease to remove. (Usually destroys the head on the fastener during removal too).

 

[stack23]

i used blue on my 10/22, works good but can be a pain to get off

 

[looney2ns]

Thanks guys, Blue it is!!

 

[minx]

Blue failed to hold my 22/45 front sight. After a 500 rd. afternoon, it turned to gum and the screw was backing out. I used red, and the job was done. I have removed red in the past, it is not as difficult as some imply. Just my experience.

 

[NHT3]

Actually I think for small screws Purple is recommended but blue will work. Loctite application guide below.
Threadlockers, Thread Sealers, Gasketing, Retaining. Loctite® Anaerobic Adhesives For Professionals.
[FONT=&quot]NRA Life member [/FONT][FONT=&quot]GSSF member[/FONT][FONT=&quot]
Gunsite graduate Certified Glock armorer[/FONT]

 

[ApacheTactical]

Actually I think for small screws Purple is recommended but blue will work. Loctite application guide below.
Threadlockers, Thread Sealers, Gasketing, Retaining. Loctite® Anaerobic Adhesives For Professionals.
[FONT=&quot]NRA Life member [/FONT][FONT=&quot]GSSF member[/FONT]
[FONT=&quot]Gunsite graduate Certified Glock armorer[/FONT]

I use the purple for mounting my scopes as well and never had an issue with it.

 

[kawtech87]

The funny thing is that "Red" locktite used to come in a blue bottle and "Blue" came in a red bottle.

The maker has since corrected this confusion but I still have a red bottle of "Blue" locktite.

Atleast I think they corrected it. Anyway read the bottle carefully.

 

[giovani]

Blue and use as little as possible.

 

[repeter1977]

Thanks for the tread on here, as I just bought red and blue locktite for my M1 Garand. Sight screws were coming out. Figured I'd use blue first, and if that didnt work, then the red. Had not heard about purple. I will have to try and find that as well now.

 

[repeter1977]

Loc-tite red is,"stud and bearing locker", and is generally for parts like cylinder head studs that you never intend to remove. The blue is,"thread locker", and is what I use for gun parts. I spent thirty years in aviation and also operated my own racing team for awhile. We never used the red on anything that we even remotely thought we might need to adjust or remove later as it does require a lot of heat and or elbow grease to remove. (Usually destroys the head on the fastener during removal too).

Great information. Its hard to tell how hot I will be getting the parts, as mine are on the front sight and rear sight, but this will help some for sure. Thanks for your

 

[kawtech87]

There is also green locktite that can be applied after assembly.

 

[looney2ns]

How much is the correct amount? Just a drop from a toothpick?

 

[CCF]

+1 for Blue.

 

[turnerdye1]

How much is the correct amount? Just a drop from a toothpick?

Depending on what your putting on it. I usually use more if i know Im not going to take it off for awhile.

If this scope is going to be sitting on this gun for awhile use a drop and spread it around. If you plan on switching it out then just a tiny dab and dont spread it much

 

[Vince49]

Loc-Tite website.

You can't go wrong with the link that NHT3 posted. I would use their products as THEY recommend and you will achieve the best results.

PS: Just a personal note:The Permatex / Loc-Tite family of products hold the days of the week together as far as I have been able to tell. All of their products perform exactly as advertised and without them it would be raining aircraft parts and the Indy 500 would be the Indy 50.

 

[Tydeeh22]

i was wrong. purple<blue<red. thank you lawrra.

 

[lawrra]

Blue loctite= Weakest

Purple Loctite= Mid range (good for sights/flash hiders/etc)

Red loctite= NEVER and i mean NEVER use red. unless you enjoy using a torch on whatever you did put it on should you need to remove it.


all in all. i like purple.

Purple is the weakest, followed by blue, then red.

Purple is Threadlocker 222
Blue is Threadlocker 242
Red is Threadlocker 271

 

[Tydeeh22]

Purple is the weakest, followed by blue, then red.

Purple is Threadlocker 222
Blue is Threadlocker 242
Red is Threadlocker 271

thank you for the correction. i was wrong then.