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Loctite 290-50ml (Threadlocking)

Product description:
LOCTITE 290 is designed for the locking and sealing of threaded fasteners. Because of its low viscosity and capillary action, the product wicks between engaged threads and eliminates the need to disassemble prior to application. The product cures when confined in the absence of air between close fitting metal surfaces and prevents loosening and leakage from shock and vibration. The product can also fill porosity in welds, castings and powdered metal parts. Further information on the product can be obtained from your local technical department:

Steps to achieve the best adhesive results:
1. Prior to assembly, clean all threads (bolt and hole) with a LOCTITE 7063 cleaning solvent and allow to dry.
2. For Thru Holes, apply several drops of product at screw and body juncture.
3. Avoid touching the bottle tip to the metal surface.
4. For Blind Holes, apply several drops of the product down the internal threads to the bottom of the hole
5. Clean area and apply localized heat to the area to approximately 121°C.
6. Allow to cool to approximately 85°C and apply the product.
7. Remove with standard hand tools.
8. In rare instances where hand tools do not work because of excessive engagement length, apply localized heat to nut or bolt to approximately 250 °C. Disassemble while hot.
9. Cured product can be removed with a combination of soaking in a LOCTITE 7200 solvent and mechanical abrasion such as a wire brush.

Store product in the unopened container in a dry location. Storage information may be indicated on the product container labeling.
Optimal Storage: 8 °C to 21 °C. Storage below 8 °C or greater than 28 °C can adversely affect product properties.
Material removed from containers may be contaminated during use. Do not return product to the original container.
Henkel Corporation cannot assume responsibility for product which has been contaminated or stored under conditions other than those previously indicated.


  • Thread size: to M12
  • Strength: medium
  • Time to get full strength (22 °C):
    -Steel: 4 hours
    -Stainless steel: 3 hours
    -Brass: 30 minutes
    -Zinc dichromate: 3 hours
  • Time to obtain initial strength (22 °C):
    -Steel: 20 minutes
    -Stainless steel: 1 hour
    -Brass: 20 minutes
    -Zinc dichromate: 1 hour
  • Breakaway Torque (for nut M10) : 20 Nm
  • Working temperature : from -55 °C to +150 °C
  • Color : green

Full technical information can be found in the technical data sheet.