The British Standard High Security Nightlatch meets the new BS 3621:2004 standard, which meet the exacting demands of the insurance companies and the police
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The bolt can be held in the withdrawn position (only) with the use of the snib feature
This product is ideal for solid and glass panelled doors
