Product Description
60mm, 89mm and 127mm backset models available.
A comprehensive range of cylinder mortice locks suitable for heavy duty use in industrial and commercial buildings, institutions, clubs, schools, hospitals, hotels and similar buildings.
These locks have various latching functions operated by a key outside and by a turnknob or key inside. The mortice nightlatch locks automatically when the door is closed.
The 3770 Nightlatch Mortice Lock also feature through-fixing of rose furniture turnknobs and escutcheons, allowing for more robust fixing of door furniture.
All Selector® 3770 Series Cylinder Mortice Locks have been successfully tested up to 4 hours (depending on type of doorsets) on fire door assemblies in accordance with Australian Standard AS 1905.1-2015, Part 1: Fire Resistant Doorsets.
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