Loctite 243, Primerless Thread locker, Medium Strength, 250 mlVersatility and reliability define Loctite 243, Primerless Threadlocker, Medium Strength, 250 ml, engineered to lock and seal threaded fasteners against vibration, shock, and thermal cycling. Its primerless formulation ensures consistent curing on both active and passive metals, including stainless steel and plated surfaces, without the need for surface preparation. Providing medium strength retention, it allows easy disassembly with standard tools