3 Lever Deadlock – Satin Nickel (78mm Case / 58mm Backset)

A medium security mortice deadlock designed for internal and light external timber doors in domestic and light commercial buildings.. The 3 lever mechanism provides reliable keyed security where a full British Standard 5 lever lock is not required, while the satin nickel finish. gives a smart, contemporary look that coordinates with modern door furniture, especially where a deeper lock position is needed.. Key Features. 3 lever mortice deadlock offering medium security for general internal and light external doors.. Ideal for bedrooms, storerooms and low to medium risk access doors.. Tested and CE marked to BS EN 12209 for consistent performance and durability.. Certifire approved (CF5531) for use on 30 and 60 minute fire doors when installed to a suitable door set.. 13mm deadbolt throw for secure engagement into the frame.. 78mm case depth with 58mm backset – suits deeper mortices or where extra clearance is required around door furniture.. Can be fitted to left- or right-handed timber doors.. Satin nickel square faceplate and keep for a clean, modern edge detail.. Supplied with 2 keys, strike plate/keep and fixing screws.. Typical Applications. Internal doors in domestic properties – bedrooms, cupboards and store rooms.. Light commercial doors in offices and low-risk areas.. General purpose keyed deadlock where BS 5 lever insurance-rated security is not required.. Refurbishment or replacement of existing 78mm case 3 lever mortice deadlocks.. Specifications. Lock type. 3 lever mortice deadlock. Case depth. 78mm. Backset. 58mm (to keyhole). Bolt throw. 13mm (approx.). Faceplate size (H × W). 125 × 22mm. Faceplate type. Square. Keep size (H × W). 125 × 24mm. Case height. 80mm. Case thickness. 14mm. Finish. Satin nickel. Number of levers. 3. Corrosion rating. Grade 1 – clean, dry & low humidity environments. Fire rating. 30 & 60 minutes (when used on suitable fire doors). Standards & approvals. CE marked to BS EN 12209:2003, Certifire CF5531. Supplied with. 2 keys, keep/strike plate, fixing screws