Sterling Mortice Deadlock – Comprehensive Product Overview
The Sterling Mortice Deadlock series delivers a combination of strength, reliability, and refined design, offering a dependable locking solution for both residential and commercial properties. Available in 3 lever and 5 lever configurations, and in multiple finishes such as chrome and brass, this range suits internal and external wooden doors where deadbolting is required. Each model ensures enhanced security, robust construction, and smooth functionality, complying with common UK backset standards for easy installation and replacement.
Product Features (All Variants)
Lock Type: Mortice Deadlock
Configurations: 3 Lever & 5 Lever
Backset Sizes: 2.5" (64mm) and 3" (76mm)
Materials: Solid steel internal components with chrome or brass plated finishes
Strike Plate: Brass or chrome plated box strike included (5L variants)
Operation: Key withdraws the deadbolt from both sides
Security Features (5 Lever):
Anti-saw deadbolt
Anti-pick curtain
Steel keys for durability
Supplied with escutcheons (5L models)
Installation: Suitable for UK backset and compatible with bolt-through fixings (where applicable)
Applications: Ideal for timber doors in residential homes, apartment entrances, or light commercial facilities
Sterling Mortice Deadlock – Individual Product Breakdown (Tabular Format)
| Variant | Backset Size | Lever Type | Finish | Weight | Security Features | Included Items |
|---|---|---|---|---|---|---|
| 3L – 2.5" Chrome | 2½" (64mm) | 3 Lever | Chrome Plated | 360g | Standard key operation | Lock body, 2 steel keys |
| 3L – 2.5" Brass | 2½" (64mm) | 3 Lever | Brass Plated | 360g | Standard key operation | Lock body, 2 steel keys |
| 5L – 2.5" Chrome | 2½" (64mm) | 5 Lever | Chrome Plated | 485g | Anti-saw deadbolt, anti-pick curtain | Lock body, steel keys, escutcheons, box strike |
| 5L – 2.5" Brass | 2½" (64mm) | 5 Lever | Brass Plated | 480g | Anti-saw deadbolt, anti-pick curtain | Lock body, steel keys, escutcheons, box strike |
| 5L – 3" Brass | 3" (76mm) | 5 Lever | Brass Plated | 515g | Anti-saw deadbolt, anti-pick curtain | Lock body, steel keys, escutcheons, box strike |
Frequently Asked Questions (FAQs)
Q: What is the difference between the 3 lever and 5 lever deadlocks?
A: The 5 lever models offer enhanced security features such as anti-saw deadbolts and anti-pick curtains, making them more suitable for external doors. The 3 lever versions are better suited for internal applications with moderate security requirements.
Q: Are these locks compatible with standard UK doors?
A: Yes. They conform to UK backset standards and are suitable for doors with a thickness between 35mm to 60mm.
Q: Can I install these locks on both left-handed and right-handed doors?
A: Yes. The latch mechanism is easily reversible without opening the lock case (where applicable), allowing installation on either door type.
Q: Are spare keys available for these locks?
A: Yes, you can cut additional keys at most locksmiths using the included key.
Q: Do the locks come with all necessary fixings?
A: Yes. All Sterling Mortice Deadlocks include the lock case, keys, strike plate, and escutcheons (5 lever models), ready for installation.
Customer Reviews
James R. – Homeowner
"Solid build and easy to install. The 5 lever brass version gives me confidence my main door is secure. Great value for the price."
Naomi L. – Landlord
"I’ve fitted Sterling locks in multiple rental properties. They last long and the tenants find them simple to use. Recommended for peace of mind."
Mike A. – DIY Enthusiast
"Installed the chrome-plated 3L in my office door. Smooth operation, came with everything needed. Looks clean and professional too."
Installation & Usage Tips
Measure your existing backset before choosing the correct variant (2½" or 3").
Use a mortice jig for cleaner installations.
Ensure the strike plate aligns perfectly to prevent latch misalignment.
Lubricate the internal mechanism once a year for optimal performance.
For enhanced security on external doors, always opt for the 5 Lever variants.
Conclusion
The Sterling Mortice Deadlock range is a reliable, security-focused solution that caters to various applications, from light internal security to reinforced front-door protection. With solid construction, intelligent anti-tampering features (in 5L versions), and a variety of finishes to match interior aesthetics, these locks are trusted by homeowners, landlords, and contractors alike. Choose Sterling for durability, safety, and dependable everyday security.
