A high security mortice deadlock for interior and exterior doors in commercial and domestic environments. Tested to BS 3621:2007 and CE marked to BS EN 12209, it provides insurance-approved protection for external doors, while the electro brass finish gives a smart, durable appearance that suits a wide range of door styles and deeper lock mortices. Key Features 5 lever mortice deadlock offering enhanced resistance to picking and forced entry. Tested to BS 3621:2007 – commonly required by home and contents insurance policies. CE marked to BS EN 12209 and Certifire approved for 30 & 60 minute fire doors. Anti-drill protection on the lock case to help resist common methods of attack. 20mm steel deadbolt throw for secure engagement into the frame. 78mm case with 57mm backset – ideal for doors with existing deeper lock mortices or where additional handle/escutcheon clearance is required. Electro brass faceplate and keep for a clean, professional edge detail. Suitable for use with standard mortice deadlock escutcheons where a separate latch is not required. Supplied with 2 keys, Euro profile keyhole escutcheons, keyhole cover, strike plate/keep and fixing screws. Typical Applications Front and back doors in domestic properties where BS 3621 deadlocks are required by insurers. Entrance and exit doors in commercial, office and retail premises. Upgrading older or non-compliant deadlocks to meet current British Standard security requirements. Refurbishment and new-build projects requiring a robust, insurance-approved deadlock. Replacement of existing 78mm case deadlocks without major alteration to the door. Specifications Lock type 5 lever British Standard CE mortice deadlock Case depth 78mm Backset 57mm (to keyhole) Bolt throw 20mm (approx.) Faceplate size (H × W) 125 × 25mm Keep size (H × W) 150 × 29mm Case height 80mm Case thickness 18mm Finish Electro brass Corrosion rating Grade 2 – suitable for occasionally damp/wet, rural and sheltered areas Fire rating 30 & 60 minutes (when fitted to suitable fire doors) Standards & approvals BS 3621:2007, BS EN 12209, Certifire CF5531 Supplied with 2 keys, Euro profile keyhole escutcheons (pair), keyhole cover, keep/strike plate, fixing screws