Genuine Loctite 243 medium strength threadlocker, part number LC1335884, supplied in a 50ml bottle. This versatile blue threadlocker is designed for the locking and sealing of threaded fasteners, preventing loosening due to vibration. It tolerates minor surface contaminations from industrial oils, such as cutting, lubricating, anti-corrosion, and protective fluids. Suitable for use on steel, brass, and stainless steel substrates, it provides reliable performance across a wide temperature range of -55°C to +180°C. With a fixture time of 10 minutes on steel, 5 minutes on brass, and 20 minutes on stainless steel, it achieves full cure in 24 hours. The breakaway torque for M10 steel nuts/bolts is 26 Nm, and the prevail torque is 5 Nm.