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Permatex 24200 Medium Strength Threadlocker Blue, 6 ml

4.7 out of 5 stars 353 customer reviews
| 17 answered questions

List Price: $7.29
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6 Milliliter
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  • Blue Thread locker
  • Easy to use
  • This product is manufactured in China
  • Locks and seals while preventing parts loosening due to vibration
  • Protects threads from corrosion
  • Ideal for all nut and bolt applications 1/4" to 3/4" (6mm to 20mm)
  • Removable with hand tools for easy disassembly
  • Suggested Applications: valve cover bolts, water pump bolts, oil pan bolts, drive shaft bolts, rocker arm adjustment nuts, carburetor studs

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Frequently Bought Together

  • Permatex 24200 Medium Strength Threadlocker Blue, 6 ml
  • +
  • Permatex 81343 Anti-Seize Lubricant, 1 oz. Tube
Total price: $9.34
Buy the selected items together


Product Information

Size:6 Milliliter

Technical Details

Brand Permatex
Model 24200
Item Weight 0.3 ounces
Product Dimensions 0.8 x 3.8 x 6.5 inches
California residents Click here for Proposition 65 warning
Item model number 24200
Manufacturer Part Number 24200
OEM Part Number PMT24200
ABPA Partslink Number 13
Folding No
National Stock Number 6850-01-556-4832

Technical Specification

Additional Information

ASIN B0002UEMZ2
Customer Reviews
4.7 out of 5 stars 353 customer reviews

4.7 out of 5 stars
Best Sellers Rank #1,441 in Automotive (See top 100)
#3 in Industrial & Scientific > Tapes, Adhesives & Sealants > Thread Locking Adhesives
#3 in Automotive > Oils & Fluids > Sealers > Thread Lock
#15 in Automotive > Oils & Fluids > Body Repair & Restoration Chemicals > Adhesives
Shipping Weight 0.3 ounces (View shipping rates and policies)
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Date First Available April 1, 2004

Warranty & Support

Warranty, Parts:PartsWarranty, Labor:Full Manufacturer's Warranty - Sold by Authorized Reseller

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Product Description

Size: 6 Milliliter

Permatex Medium Strength Threadlocker Blue Formula is an all-purpose threadlocker ideal for all nut and bolt applications 6mm to 20mm. Eliminating the need for stocking expensive lock nuts and lock washers, this threadlocker locks and seals while preventing parts loosening due to vibration. It also protects threads from corrosion and is removable with hand tools for easy disassembly. Applied as a liquid or gel, threadlockers are superior to conventional lock washers, nylon inserts, and other mechanical devices because they secure the entire fastener assembly against loosening from shock and vibration by filling the space between threaded metal parts, curing to form a tough, adhesive bond and seal. They also seal the threads against leakage, preventing rust and corrosion.

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Size: 6 Milliliter Verified Purchase
I've always been a fan of Loctite brand threadlocker, but I can honestly say that the Permatex brand works just as well. Order blue if you still wish to remove the bolt, order red for a permanent lock needing heat to remove.
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Size: 6 Milliliter Verified Purchase
If you have an application in which a bolt needs to be tight and the object at hand is subject to vibration, then you need this Blue Threadlocker. Firearms, for example, involve lots of screws to mount front sights, scope mounts, and all manner of similar applications. Even for .22 caliber firearms which don't involve that much recoil violence, eventually bolts shake loose; usually at the most inconvenient possible time. A tiny dab of this Threadlocker on the threads of the bolt or screw just about always fixes this. This is the medium strength, which means that if you ever really need to remove the screw you can still do it with some elbow grease and leverage, but absent such an effort it will stay put. I use this material regularly and it never lets me down. RJB.
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Size: 36 Milliliter Verified Purchase
I use this stuff for everything. Just remember that it takes around a day to truly set in. I am a police officer and i use this for my Magpul UBR stock (the set screws in it) for my AR-15. My life truly depends on this stuff. Just shake this stuff up and put a ring around the screw and screw it in then let it set for a day (you don't need too much).I also use it for my ASP, where i installed a window breaker on the end (that screws in) that allows the cap to screw off to use it (so the window breaker has the threadlock so it won't unscrew but the cap of the window breaker unscrews easily). I also use this stuff for random screws that keep falling off other items around the house. This bottle is BIG and it should last at least a year so get one now! I also like the permatex's screw on top compared to loctites not to mention you get much more with permatex. I also have this stuff laying around the cold/hot garage and the weather hasn't effected the bottle's use.
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By Mark on September 23, 2011
Size: 6 Milliliter Verified Purchase
Life's hard lessons have taught me to now ALWAYS use this stuff on bolts. Especially if you the bolt is going into something that vibrates AT ALL or is exposed to alot of jarring/shifting.

Being mindful of putting this on will save you money on parts and repairs, I learned that with my riding mower!
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Size: 6 Milliliter Verified Purchase
This thread locker works like it's supposed to. First time I used it I wasted quite a bit because it was runnier than I expected and came out really fast, so beware.
Comment 12 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Size: 6 Milliliter Verified Purchase
It's threadlocker. It's been around forever and it works great. The blue one is great for optics to keep them solid but if you want to try something else it will come off without putting heat on it.
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Size: 2.5 Milliliter Verified Purchase
Why you may not understand what i'm talking about but here it goes, i have a Beeman RS2/Grizzly x2 Duel-Caliber (Pellet Gun) and every 35-50 shots the Screw holding the changeable barrel loosens i have shot over 1000 shots and not a bit loser than it was when i first applied the thread locker

What i like about this
for like 3 bucks i am very pleased with this item have not had a single problem with it and i brought 2 day shipping with it and it came 1 day earlier packing was good

What i Don't like about this
Not a thing
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Size: 6 Milliliter Verified Purchase
this is the perfect strength threadlocker for radio controlled helicopters and airplanes. the bolts will come out but won't vibrate out. also works great when mounting scopes on firearms.
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