Permanent Strength Red Threadlocker, 50 mL, 1 in Thread, Red no checkout safely and economically removes heat safely and economically removes heat tint and discoloration from weld heat effected zones Most commonly used on stainless steel and aluminum although it is effective on other metal surfaces as well Allows quick and easy disc attachment and removal for multi step processing Superior to conventional lock washers nylon inserts and other mechanical devices as Permatex Threadlockers secure the entire fastener assembly against loosening from shock or vibration and they maintain fastener clamp forces They also seal the threads against leakage and prevent rust and corrosion