Loctite Threadlocker 242, 250mL Bottle, Blue. * Safety Precautions Keep out of reach of children. * Preparation Protect work area. Parts to be sealed must be clean and dry. Shake the product thoroughly before use. Note: To prevent the product from clogging the nozzle, avoid touching the bottle tip to the metal surface. * Application For Thru Holes: Apply several drops of the product onto the bolt at the nut engagement area. For Blind Holes: Apply several drops of the product down the internal threads to the bottom of the hole. Assemble parts and tighten as required. Sets in approximately 10 minutes and fully cures in 24 hours. * Cleanup Clean adhesive residue immediately with a damp cloth. In rare instances where hand tools do not work because of excessive engagement length, apply localized heat to nut or bolt to approximately 482°F (250°C). Disassemble while hot.