... phosphated and electroplated surfaces. Used for pre-applying screws (bolts) M8-M16 IntroductionDarbond Pre-applied Threadlocker 2204 is two component, ... Mix A and B component evenly before use, and pre-apply to the surface of thread, and use directly ... 2271.-- Applicable to phosphated and electroplated surfaces. -- Designed for pre-applying screws (bolts) M8-M16. Typical ApplicationsUsed in areas ...