242(R) Threadlocker Blue, Medium Strength 250 ml Bottle

243(TM) Threadlocker, Blue Medium Strength/Oil Resistant 10 ml Bottle

Grade C medium strength threadlocker from Loctite in 50 ml bottle, fluorescent blue. UV-visible formula identifies treated fasteners for quality control in production assembly.

272 Threadlocker, Red High Strength/High Temperature 250 ml Bottle

271 high strength threadlocker from Loctite in 250 ml bulk bottle, red. Permanently locks fasteners up to 1 inch on heavy equipment and structural assemblies.

290 wicking grade threadlocker from Loctite in 250 ml bulk bottle, green. Penetrates pre-assembled threads up to 1/2 inch for after-the-fact locking in industrial maintenance.