5 Lever British Standard Mortice Deadlocks
British Standard deadlocks are typically found on External door to meet current insurance requirements. All 5 Lever British Standard locks are required to meet BS3621. British Police recommend 5 Lever British Standard Lock on all external doors. 5 Lever British standard deadlocks are available in Keyed alike versions. The current British Standard is BS3621:2007. Locktrader stock BS3621 Deadlocks from Asec Locks, Chubb, ERA Locks, Ingersoll Locks, Legge Locks, Securefast, Union Locks and Yale Locks these are available in Brass or Satin Chrome with a size of 64mm or 76mm