Overview Reviews Product Description OEM specified. A permanent, high strength product that is applied to fasteners 3/8" to 1" (10mm to 25mm) in size before assembly. Designed for securing parts that must withstand heavy shock, vibration, or extreme chemical or environmental conditions. Localized heating and hand tools are required to separate parts. Conforms to ASTM D5363 AN0331 (Mil-S-46163A, Type II, Grade O). Permatex 2018 Catalog Product Videos Custom Field USA part number 26250 Canadian part number 26250 Product Reviews Write a Review Write a Review × Permatex Red High Strength Threadlocker 50ml Bottle 26250 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *