When to use Loctite Primers Primers are surface preparation products that ensure maximum performance of anaerobic machinery adhesives.

Functions of Primer

01 bonds inactive metals

active metals*

primers optional Iron, Plain Steel, Copper, Brass, Bronze, Nickel, Magnenese, Monel™, Kovar™

inactive metals*

primers recommended Plated Parts, Anondized Aluminum (Alodine® , Iridite™), Titanium, Stainless Steel, Galvanised Steel, Zinc, pure Aluminum, Cadmium, Magnesium, Natural or Chemical Black Oxide, Magnetite Steel, Iconel™, Silver, Gold

02 speeds up curing time

Reduces the time in which the locked and sealed components gain complete strength

03 bonds challenging assemblies

Helps bond assemblies which are cold, have large gaps or deep threads.

  • cold temperaturecold temperature
  • large gaplarge gap
  • deep threadsdeep threads

The 2 go-to primers


loctite 7649

  • dry time

    dry time 30 to 70 seconds

  • on-part life

    30 days on-part life

loctite 7471

  • dry time

    dry time 30 to 70 seconds

  • on-part life

    7 days on-part life