The 3K74E mortice sashlock is a trusted choice for both residential and commercial properties, renowned for its durability and security features. As part of the C Series, this lock has been a staple in the industry for decades, originally crafted by Chubb and now proudly bearing the brand.
Key Features
British Standard Compliance: This lock meets the rigorous standards of BS3621:2007, ensuring high security with features such as 5 levers, anti-drill, and anti-saw capabilities.
Unique Measurements: Available in standard case widths of 67mm (2.5") and 79mm (3"), with specific backset measurements of 40mm and 53mm respectively.
Versatile Use: Suitable for doors up to 54mm thick, this lock can be fitted on both left and right-handed doors, opening inwards or outwards.
Security Striking Box: Supplied with a security striking box in a grey finish, enhancing the lock's resistance against forced entry.
Keying Options: Comes with 3 brass keys, with the option to cut additional keys or have multiple locks keyed alike for convenience.
Installation Notes
When replacing an older lock, ensure compatibility with the door's thickness and existing fittings. The 3K74E is designed for easy installation, but modifications may be necessary for older models that do not meet current standards.
Additional Information
has a rich heritage in lock manufacturing, with over 180 years of experience. Their commitment to quality and innovation ensures that every product, including the 3K74E, is designed to provide peace of mind and security for your home or business.
For further details on British Standards for mortice locks, visit the MLA's website here.
Explore our range of associated products, including key blanks and rebate sets, to complement your mortice lock installation.
