Product Details
LD-059 Zinc Alloy Night Latch Rim Cylinder Lock
Zinc alloy night latch rim cylinder lock with auto-deadlock and key-deadlock options. Provides reliable key-operated security for entrance doors.
Core Features
- High-quality zinc alloy body with steel internal mechanisms
- Auto-deadlock and key-deadlock versions for flexible security control
- Three cylinder lengths for various door thicknesses
- Rim cylinder with smooth key operation and anti-pick pins
- Five finish options for aesthetic coordination with door hardware
- Complies with BS 3621 security standards for reliable protection
Application Scenarios
- Residential front door primary night latch security
- Apartment entrance door rim cylinder lock installation
- Back door and rear entrance secondary security locking
- Commercial shop front door night latch applications
- Rental property entrance door lock standard compliance
- Office building internal secure room rim lock
FAQ
What is the difference between auto-deadlock and key-deadlock night latches?
An auto-deadlock night latch automatically engages the deadlock mechanism when the door closes, providing automatic security without any key action. A key-deadlock version requires the user to turn the key an extra turn from outside to engage the deadlock, offering manual control. Auto-deadlock is more convenient for daily use, while key-deadlock provides additional security when leaving the property.
Can a night latch be the sole lock on my front door?
While a night latch can serve as a primary lock, security experts recommend using it in conjunction with a mortise deadlock or rim lock for enhanced protection. The night latch provides convenient automatic locking, while the deadlock adds a secondary layer of security. For maximum front door security, pair the LD-059 with our LD-057 mortise lock body or LD-058 rim lock.
How do I measure the correct cylinder length for my night latch?
Measure the total thickness of your door. The cylinder should pass completely through the door with the rim cylinder mounting on the exterior surface. Standard UK doors are typically 44-54mm thick, requiring the 60mm or 70mm cylinder. Thicker doors up to 70mm require the 80mm cylinder option.
Is this night latch lock compliant with insurance requirements?
The LD-059 meets BS 3621 standards, which is recognized by most UK insurance providers as a minimum security requirement. For insurance compliance, we recommend the 5-lever or higher security grade versions with auto-deadlock functionality. Always verify specific requirements with your insurance provider.
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