Genuine Berner 147321 BLOCFIL FORT INDEM. FL. SSH60 is a high-strength anaerobic threadlocker designed for permanent locking and sealing of metal threaded connections up to M20. This red, thixotropic adhesive prevents loosening caused by vibration and shock, offering excellent resistance to oils, water, gases, and various chemicals. It has a functional cure time of 1-3 hours and a wide temperature resistance range from -55°C to +150°C, making it suitable for demanding industrial and machinery applications. The product comes in a 50 ml bottle and has a shelf life of 12 months.