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
  • Dan

    10-06-2025

    Loctite is the leader in looking bolts and sleeves onto there maiting part so they dont come apart. I will always use loctite.

  • Steven & Deborah Ferguson

    > 3 day

    When you need metal locking adhesive this is it.

  • Dream Master

    > 3 day

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

  • Jose

    > 3 day

    Exactly as described

  • W. F. Dudley

    > 3 day

    Not much to say, Loctite is great stuff. Do your research before you buy because there are many variants depending on your particular needs. I work at a bicycle shop and we needed this stuff for a repair, nobody in town carried it. Amazon Prime saved the day.

  • raul carmona

    > 3 day

    its a great retainer for metal to metal contact. Would recommend and will buy again Thank you very much. RauL

  • jetlag

    Greater than one week

    worked as advertised. used to set a pinion on a shaft. worked very well. sets fairly quickly although I waited 24 hrs. to use.

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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