High strength threadlocker for heavy-duty applications 3/8 inch to 1 inch (10mm to 25mm). It is especially well-suited for permanently locking studs and press fits. Adds 3,000 PSI holding power on slip and press fit assemblies. Replaces set screws and snap rings. Locks against vibration loosening. May require heat or special tools for removal. Thread Locker - Red High Strength OEM specified Conforms to ASTM D5363 AN0221 (Mil-S- 46163A, Type I, Grade K) 6 ml Tube (27100) or 36 ml Bottle (27140) Application AutomobileSuggested Applications: Headlight screws, console assemblies, soundproofing, attachment screws, electrical component boxes, plastic knobs, hose fasteners, dashboard accessories, etc. MotorcycleSuggested Applications: All engine mounting bolts Heavy DutySuggested Applications: Air starter fasteners, suspension fasteners, shock absorber mounts, wheel studs, exhaust system mounts, bumper fasteners MarineSuggested Applications: Cylinder block studs, ring gear bolts, frame bolts, shock bolts Instructions Clean and dry parts using Permatex® Surface Prep™ activator, Item# 24163 Shake tube well before each use. Remove cap and snip nozzle tip. Apply to threaded areas and assemble parts. Note: Threadlocker works on metal parts. It is not recommended for plastics. Cured product must be heated to 500°F (260°C) before parts will separate.