Experience top-tier security and classic design with the British Standard 5 Lever Roller Sashlock, specifically crafted for reliable performance and straightforward retrofitting. This high-quality mortice door lock features an 80mm case depth, making it perfectly suitable for upgrading or replacing older hardware with minimal door modification, particularly with the trusted Chubb 3K74 Retro Fit standard.

Key Features & Technical Specifications

Feature	Description	Icon
Main Keyphrase	British Standard 5 Lever Roller Sashlock	🔑
Supportive Keywords	Chubb 3K74 Retro Fit, 80mm Mortice Door Lock, High Security Door Lock, Roller Sashlock Mechanism	🧩
Lock Case Depth	80mm deep case ideal for easy retrofitting	📏
Lock Centres	57mm centre-to-centre for spindle and keyhole alignment	🔩
Backset	45mm distance from faceplate to centre of spindle hole	📐
Mechanism	Roller latch for door closing; solid brass 5 lever deadbolt for security	⚙️
Certification	Tested to BS3621:2007 & BSI Kitemarked for ultimate security assurance	✔️
Keys Included	Two solid brass keys supplied, with keyed alike options available	🗝️
Material	Premium quality steel and brass for strength and longevity	🛡️
Fire Rating	Suitable for 30 and 60-minute fire doors	🔥
Packaging	Supplied with matching strike plate and fixings, single pack	📦

Why Choose the British Standard 5 Lever Roller Sashlock?

The British Standard 5 Lever Roller Sashlock represents the perfect blend of tradition and reliability. Ideal for homeowners and commercial property managers alike, it offers:

Robust Security: 5 lever design with roller latch mechanism provides excellent door closure and superior resistance to picking or forced entry.
Retrofit Friendly: The 80mm case depth and standard lock centres make it an easy upgrade for older doors without extensive modification.
High-Quality Materials: Crafted from premium steel and brass to guarantee durability and long-term security.
Fire Door Compatibility: Includes certifications for 30- and 60-minute fire doors, providing safety without compromising performance.
Convenient Packaging: Comes complete with a strike plate, fixings, and two keys, simplifying installation and use.
Keyed Alike Option: Available for multiple locks operated by a single key, easing key management in multi-door properties.

Installation & Maintenance

Installation requires standard tools and expertise, with straightforward fitting instructions included. For optimal security and operation:

Verify door thickness matches lock case and backset requirements.
Remove existing lock carefully, preserving door integrity.
Fit new lock case flush within the mortice cavity, securing tightly.
Install strike plate aligning with latch and deadbolt.
Test operation with keys to ensure smooth locking and unlocking.
Maintain lock with periodic lubrication and clean for long-lasting performance.

Who Should Choose This Roller Sashlock?

Buyer Type	Needs	How This Product Addresses Them
Homeowners	Upgrade existing door security easily without replacing doors	Retrofit compatible with standard dimensions and high security features
Property Managers	Durable, insured locks for multiple residential or commercial units	Kitemarked security and keyed alike options simplify access management
Commercial Builders	Reliable, tested locks suitable for fire-rated and commercial doors	BS3621 certification and fire rating compliance ensure building code adherence
Security Consultants	Locks with proven resistance to tampering and high durability	5 lever deadbolt with roller latch offers robust mechanical protection

Frequently Asked Questions

Is this roller sashlock compatible with my existing door?: Provided the door has a case depth close to 80mm and 57mm lock centres, it is an ideal retrofit replacement.
Can I get this lock keyed alike for all doors in my property?: Yes, keyed alike options are available to streamline your key management system.
Can it be used on fire-rated doors?: Yes, it has been tested for compliance with FD30 and FD60 fire door requirements.
What materials are used in the construction of this lock?: High quality steel and solid brass components ensure security and avoid corrosion.
Does it come with installation hardware?: Yes, it includes all necessary fixings and strike plates for quick and secure installation.

Customer Reviews

“I installed the British Standard 5 Lever Roller Sashlock in my rented property, and it’s been a game-changer for security and peace of mind. The installation was straightforward, and the lock feels very robust and secure.” – Emily T.

“As a property manager, I need reliable locks that tenants can trust. This Chubb Retro Fit sashlock has proven durable and effective across multiple units.” – Raj K.

Conclusion

The British Standard 5 Lever Roller Sashlock 80mm Chubb Retro Fit 3K74 Mortice Door Lock offers a perfect combination of traditional mechanical reliability and modern retrofit convenience. Its secure 5 lever mechanism, coupled with a smooth roller latch, ensures your doors close softly and lock securely. Compliant with the highest standards, it meets the needs of homeowners, property managers, builders, and security professionals alike.

Upgrade your door security today with this trustworthy, highly rated mortice sashlock and experience robust protection, ease of use, and peace of mind.