Quote:
Originally Posted by DWalt
Purple Loctite provides a light locking effect which can be easily overcome with a screwdriver. If you use any Loctite, it should be purple. Red Loctite has the highest strength.
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Must be a different brand than Loctite that they use at the factory. Their red thread locker is not even noticeable as you turn the screw. Looking at the Loctite brand description page, the purple does match what the factory red does.
Purple Threadlocker | LOCTITE - Henkel Adhesives North America
I notice Wiki shows a second red locker that's for high temperatures but medium strength. Even medium seems too much though. Maybe it's a custom blend.
Thread-locking fluid - Wikipedia