Features and advantages: Fire rated to DIN 18250: ‚¬â€œ in class 3 for contract work ‚¬â€œ in class 5 as security lock Available as security lock 6306 with 6 mm thick forend or as triple latch lock 6065 with additional latch locks 6138 for special burglary protection. Through-fixing of standard door fittings such as escutcheons or short backplate sets possible. Fully enclosed lock case ‚¬â€œ dirt or other foreign bodies cannot obstruct the easy operation of the lock. Easy assembly due to easily accessible bore for cylinder fixing screw. Various forend types available. Application: Fire protection doors, also with burglary protection. Technical description: Profile cylinder with latch lever function, also for Swiss-type round cylinder as an option. Fully enclosed, galvanised lock case. Malleable cast iron latch, galvanised. Class 3 with zinc diecasting deadbolt; Class 5 with galvanised steel security deadbolt. 2 x 10 double throw deadbolt. Technical data: Follower: steel, 2-part; 9 mm square Centres: 72 mm Backset: 55, 65, 80 and 100 mm