BS3621 Automatic Deadlocking Night Latch

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This British Standard High Security Nightlatch conforms to British Standard 3621:2004 (BS EN 12209) and meets the tough criteria layed down by insurance companies and the Police Fe atures an integral cylinder pull which protects the cylinder from being drilled Includes 20mm bolt throw for extra strength and security Designed ideally for glass panelled wooden doors, as it has been designed with an ergonomic internal lockable handle offering added security against forced entry Main lock bolt automatically deadlocks, this makes the use of credit card to force entry virtually impossible The bolt can be held in the withdrawn position (only) with the use of the snib feature Supplied with 3 Keys Show more