Keep your uPVC, composite or timber door operating smoothly with our comprehensive range of Fullex replacement door locks and gearboxes. At Nigel Waters Hardware, we stock genuine and compatible replacement Fullex XL, Fullex Crimebeater, and Fullex SL16 lock cases and centre gearboxes, helping you repair your multipoint locking system without replacing the entire lock strip.
The Fullex XL range was developed for enhanced security and reliability, featuring a centre hook, anti-lift bolts and roller cams for smooth operation, making it a popular choice for modern multipoint locking systems.
The Fullex Crimebeater and SL16 ranges are trusted throughout the UK for their proven strength, long service life and high-security design. Available in various backsets, spindle configurations and locking options, these locks have been widely specified for residential and commercial doors and are designed to provide dependable everyday security.
Our Fullex collection includes:
- Fullex XL centre gearboxes
- Fullex Crimebeater replacement lock cases
- Fullex SL16 gearboxes
- Single and dual spindle options
- Various backsets and latch configurations
- Genuine replacement parts for worn or faulty mechanisms
Whether your door handle has become stiff, the lock has failed, or the gearbox is no longer engaging correctly, replacing the centre case is often a cost-effective solution that restores your door's performance without changing the complete multipoint lock.






