LOCTITE 640 High-Strength Sleeve Retainer, High-Temperature, High-Stength, Anaerobic Adhesive, For Large Diameter Components, Active Metals | Green, 6 ml Tube (PN: 487235)

(318 Reviews)

Price
$10.59

Quantity
(10000 available )

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47 Ratings
40
5
0
1
1
Reviews
  • Dustin S

    > 24 hour

    works great to lock bearing race on shafts.

  • Kurt

    > 24 hour

    Its Loctite, it makes things get stuck. Perfect!

  • Mike S

    > 24 hour

    Works well for my use, but wasnt perfect. I have a metal item with an attachment connected by a shallow but wide screw, and I wanted to make sure this never came unscrewed because there is never a reason to remove it. After letting it set a couple days, it was hard to turn but I was able to get some movement. Since it makes it much more difficult to unscrew, its still a lot better than before. I was just hoping it would be a bit more permanent.

  • Mepeters3

    > 24 hour

    I bought this after reading forum posts about staked vs glued ejectors on 1911s. Apparently this is what the pros use to “glue” ejectors. I had a glued ejector from the factory that came loose after 14 years and didn’t feel like having my ejector staked as it would have made me send my frame back for machine work. This worked perfect to glue my ejector and has held solid for a long time.

  • Dream Master

    > 24 hour

    Needed this to repair valve guides in a B&S vtwin motor and so far it is working fantastic.

  • Jose

    > 24 hour

    Exactly as described

  • Fastluck13

    > 24 hour

    does what it is supposed to!

  • rick davidson

    > 24 hour

    Like most loctite products, it worked like advertised, not cheap, but not Cheap..

  • kyle

    > 24 hour

    I needed loctite 680 to set some slip fit bearings on my full suspension mountain bike main pivot, but just ended up using this. And I beat the hell out of my bike and not one problem yet...

  • Umar A Hassan

    > 24 hour

    It is the standard for a reason

LOCTITE 640 is a high-temperature anaerobic adhesive that secures slip and press fit assemblies. Adds up to 3,000 psi holding power. Restores fit to worn or out-of-tolerance assemblies. Prevents surface corrosion. Works to 400°F (204°C).

High strength, methacrylate ester-based retaining compound that is slow curing; ideal for large diameter components and active metals such as brass.

LOCTITE 640 is a green, anaerobic, low viscosity, methacrylate ester-based retaining compound ideal for parts requiring a longer positioning time. Fixturing time on steel is 2 hours. Also used for active metals such as brass. This is a high-strength product with good temperature resistance. Max. diametrical clearance is 0.1 mm and service temperature is -55 to +175ºC. Fluorescence allows product presence to be monitored.

LOCTITE automotive aftermarket products are not just OEM-specified, they are also designed by auto manufacturers and lab tested. Engines of nearly every professional race car are assembled and maintained with LOCTITE brand adhesives, sealants, gasket makers, and coatings. Whether gasoline or diesel, from bolts and gaskets to cooling lines and core plugs, Henkel products are used to seal, secure, and repair vehicle components.

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