SDS Security Standard Narrow 40 mm Backset BS.3621

SDS British Standard High Security Nightlatch now gives customers an even wider range to choose from
It complies with BS3621: 2004 and falls in line with the new European Standard (BS EN 12209)
This product is ideally suited to glass panelled wooden doors. Its designed with an internal lockable handle, offering added security against forced entry

Operation is by key from the outside and by a handle from the inside
The main lock bolt is automatically deadlocked when the door is closed, preventing the main bolt being retracted by a credit card

The inside handle can be deadlocked by an anti-clockwise turn of the key from the inside so securing the lock against forced entry
The bolt can be held in the withdrawn position (only) with the use of the snib feature
c/w 3 keys and security cylinder pull
For additional keys see Related Products