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This threadlocker uses a thin liquid formula to wick into the threads of pre-assembled applications, preventing treated screws, nuts and bolts from loosening. Requires heat for disassembly.
Features:
Specs:
Applications: Alternator bolts, distributor clamps and carburetor adjustment screws
The shaded areas in these diagrams indicate where this threadlocker is applied in a variety of threaded assemblies:
Applied to the threads of pre-assembled parts, this threadlocker seeps into the connections, where it hardens and keeps treated parts securely tightened, even when vibration occurs. Threadlocker also seals out air, water and grime to prevent rust or other corrosion from forming. Nuts and bolts that aren't corroded last longer and can be taken apart more easily.
This threadlocker requires heat for disassembly. (Five minutes' application of a standard soldering iron to small parts will provide enough heat; bigger parts may require a torch.) Disassemble while parts are still hot.
These diagrams illustrate the application of heat to loosen this threadlocker for disassembly of the parts:
This threadlocker is anaerobic (hardens in the absence of air) and requires contact with an active metal to cure. Active metals (those that tarnish, corrode or rust) include brass, copper, bronze, iron, soft steel and nickel. If both parts to be joined are made of inactive materials, Loctite Klean 'N Prime primer must be applied to one of the surfaces for curing to occur. Inactive materials include plated parts, stainless steel, galvanized steel, magnetite steel, pure aluminum, titanium, magnesium, gold, silver, plastic, cadmium, Iconel, zinc, natural or chemical black oxide and anodized aluminum.
Klean 'N Prime can speed the cure rate of Threadlocker 290. This is especially helpful when you are applying the adhesive to any material, active or inactive, in colder temperatures (below 70 F). Using Klean 'N Prime primer with Threadlocker 290 requires that the parts first be treated with the primer, then assembled and adjusted, and finally, treated with the threadlocker.
This product is OEM specified: It is approved to meet specifications of original equipment manufacturers.
California residents: click here
I had a broken espresso machine, the water heater had a pinhole. I didn't believe this would work but it did. One drop of Loctite 290 on the pinhole, a little heat, and presto! Who knew?
Locktite makes very good products, and this is another one. Used for fasteners that are already assembled/torqued and it wicks into place. E-Trailer completed the order process and delivered the product as expected, so well-done to them.
Product worked great. Used it on a sun visor that would no longer stay up. Worked perfectly, would recommend for anyone.
Good price, fast shipping, fair postage....... What else could you ask for?
Chuck B.
10/29/2014
Its a good product, although it does tend to harden in the tube which is agrivating. If locktite cant correct the chemistry they could consider marketing it in single use capsules.
Great website, great prices, and appreciate the fast shipping. Thank you very much
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Victoria H.
3/11/2025
Oh a few shots of espresso right now sounds lovely, Clyde. I'm so glad this helped you get back to enjoying the great go-go juice. I have to ask, latte or cappuccino?