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
  • DrShock

    > 24 hour

    I use 640 when replacing bushings in GM transfer cases, transaxle, and transmissions to insure no “walking” down the road. A little bit goes a long long way.

  • Mr. B

    > 24 hour

    Used this on a lawn mower valve guide that had slipped out. Put this on guide, used punch to tap around it to make it tighter. Have mowed several times and still holding.

  • rick davidson

    > 24 hour

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

  • jetlag

    > 24 hour

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

  • Steven & Deborah Ferguson

    > 24 hour

    When you need metal locking adhesive this is it.

  • Brian F

    > 24 hour

    Only brand I trust is loctite

  • jgc

    > 24 hour

    Used this to repair a loose bearing race on a 78 yr old truck. Alternative was to find a new spindle. This worked great!

  • Dream Master

    > 24 hour

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

  • tommcg

    > 24 hour

    Not something you can find at local home improvement or hardware store. I needed this for an RC helicopter pinion gear gluing to the motor shaft. The torque was enough to break high strength red Loctite 271, but this green 640 stuff hasnt broken yet.

  • Sparks 134 141 86

    > 24 hour

    It’s LOCTITE. It’s the Best!

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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