You forgot to put Loctite (often misspelled as locktight) is an anaerobic adhesive used to secure metal nuts, bolts, and screws in place so they don't vibrate loose. It hardens in the absence of air and fills the microscopic gaps in the thread.
The color of the Loctite indicates its strength and how easily you can remove it:
• Blue (Medium Strength): The most common choice for DIY and automotive tasks. It holds tight against vibration but allows you to unscrew the fastener with standard hand tools.
• Red (High Strength): Used for heavy-duty, permanent applications. It requires significant force and usually localized heat (around 500°F) to break the bond and remove the bolt.
• Green (Wicking/Penetrating): A very thin liquid used to secure fasteners that are already assembled without taking them apart.
• Purple (Low Strength): Designed for small fasteners (under 1/4 inch) or softer metals like aluminum and brass to prevent stripping.
How to Apply It:
1 Clean the threads: Wipe the nut and bolt to remove any dirt, oil, or grease so the adhesive sticks properly.
2 Apply drops: Add a few drops of the threadlocker to the area of the bolt threads where the nut or mating part will sit.
3 Assemble: Thread the pieces together and tighten them to your standard specifications.
4 Cure time: Let the part sit. It typically sets in about 10 minutes and fully cures in 24 hours.
For a visual demonstration of the differences between blue and red Loctite and how to apply them correctly applying a drop on high temperature give 330 more psi to 1500.
Ultra-High Temperature Anaerobic Formulations (Up to 650°F / 343°C)
If your machinery or application operates below 650°F (such as standard engine blocks, turbochargers, or exhaust manifolds), specialized anaerobic pastes are the ideal choice:
Loctite 2620 Threadlocker 1138282
Motion& more:
This thixotropic red paste provides high-strength, permanent security for fasteners exposed to relentless vibration and severe thermal stress up to 650°F.
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