Buy Grade 13 stainless steel security ball bearing hinge engineered for maximum strength, security, and durability. Featuring two integrated dog bolts, this heavy duty hinge provides enhanced door protection against forced entry, making it ideal for commercial and high-security applications. Supporting up to 120kg door weight, it is CE 2812, UKCA 1121, and Certifire CF336 certified for trusted performance. Fire rated to BS EN1634 standards for FD30, FD60, FD90, FD120 timber and FD240 steel doors, it ensures full compliance. Perfect for fire doors requiring reliable security, smooth operation, and long-lasting, maintenance-free performance.