Loctite is a powerful threadlocker that keeps fasteners tight, but the different color varieties can be confusing. What's different between red and blue?

Unfortunately, WD-40 can't dissolve red threadlocker and remove a screw from its goopy grip. WD-40 is technically a solvent, which means it can dissolve the bonds between sticky substances and ...

Red Loctite Threadlocker 263 is for hardware you hope you'll never have to take apart again; subframe bolts, engine mounts, and kickstands all itch for the stuff.

We universally call them “Loctite,” but Permatex, 3M and other manufacturers make equally good threadlocking products. ... If you use red threadlocker, consider it “welded.” ...

(Red threadlocker is intended for fasteners that normally aren't removed without the application of heat and a large amount of torque.) Start with a clean set of threads, both male and female.

According to Loctite’s manufacturer, Henkel, Loctite (loctiteproducts.com) does go bad.The technical data sheets of both thread-locker 271 (red) and 242 (blue) say that the shelf life of each is ...