Permatex 26250 Permanent Strength Red Threadlocker, 50 mL, 3/8 in to 1 in Thread, Liquid

High Strength Red Threadlocker, 50 mL, 1 in Thread, Red, Liquid

Medium Strength Blue Threadlocker, 50 mL, 1/4 in to 3/4 in Thread, Blue, Liquid

High Strength Red Threadlocker, 10 mL, 1 in Thread, Red, Gel

Medium Strength Blue Threadlocker, 10 mL, 1/4 in to 3/4 in Thread, Liquid

263 high strength threadlocker from Loctite in 50 ml, red. Locks fasteners up to 1 inch on heavy equipment, structural assemblies, and industrial machinery.