Loctite LOC37614 19gm Threadlocker Blue Stick Reviews

Loctite LOC37614 19gm Threadlocker Blue Stick

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Loctite 242 Threadlocker - Blue

Mar 29, 2009
Review by  
Rated a Very Helpful Review

Pros:Strong, Durable, Reversible

Cons:Manufacturers need to use more Loctite in more places

The Bottom Line: Blue Loctite Threadlocker can be disassembled once cured. The new stick formula works in places where gravity makes it hard to use the liquid and for pretreating fasteners in mass.


Loctite 242 Threadlocker Stick - Blue

Loctite is a chemical replacement for lock washers, no-shakeums, and similar locking devices for mechanical fasteners on parts that vibrate, flex, change temperature within reason, and generally loosen through time and use.   The term is a registered trademark but is used generically for the various versions of the adhesive and has been used among mechanics since the 60s and 70s when the newfangled chemical threadlocker first appeared in the marketplace. 

Loctite, a liquid adhesive, usually is seen in two forms, Red - which is permanent for fasteners you don't expect to have to remove again and Blue - which is temporary and allows removal and replacement of the fastener.  There are all sorts of variations of this idea but the most often seen are the Red and the Blue versions, this is about the Blue Loctite, which allows fasteners to be removable.

The Blue version is my most often used chemical threadlocker because I like to keep things where I can remove them if necessary.  I typically use it on motorcycles which have a reputation for shaking fasteners apart yet often require partial disassembly of the motorcycle to work on some subassembly.  Therefore the Blue Loctite is ideal for this application. 

The usual Blue Loctite is a liquid about as thick as school glue like Elmer's and it is applied to the threads of the bolt before assembly where it has an immediate initial curing time of a few minutes and a full strength bond in 24 hours.  It is an anaerobic chemical compound meaning it works in the absence of oxygen so the sealed joint cures up just fine.  So how does it stay liquid in the tube?  The tube is made out of oxygen permeable plastic - another chemical breakthrough probably from Loctite also.

This stick is a new wrinkle on the concept combining the Blue Loctite thread locking function with an easier to use stick formula that can be used on overhead fasteners or things usually affected by gravity, something that has always been a weak point with the chemical liquid version.  The stick, looking about the size of a Chap Stick, is just rubbed against the threads leaving a nice coat of Loctite in the grooves.  When you are assembling things with new fasteners you can pre-treat the bolts as a group rather than having to stop and treat each one just before assembly as before.  This is a good thing that will save you plenty of time and perhaps back tracking as you remember you forgot to treat a fastener - but which one?  That requires disassembly, inspection, and reassembly with a properly treated fastener.

The Blue Loctite helps keep the bolts and nuts tight in the face of the engine vibration and rigors and shocks of the road as the motorcycle flexes and bounces over uneven pavement surfaces.  This stuff works great on bicycles and lawn equipment, also, everything assembled with bolts and nuts that tends to come unfastened over time.  Blue Locktite is a valuable part of my homeowners tool kit.


Recommend this product? Yes

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