Dzina Traditional Style Security Night Latch - DZ-F6406-(1)

This classic-style security night latch features a deadlocking snib, allowing for secure locking f...

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B&Q - Dzina Traditional Style Security Night LatchStandardChampagne Finish With 3 KeysPack Of 1
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Product Information

Full details

The Dzina Traditional Style Security Night Latch is an ideal security solution for homeowners seeking a reliable, classic locking mechanism for wooden entry doors. It provides the essential benefit of a deadlocking snib, which offers added peace of mind by enabling users to lock the door securely from the inside, while maintaining easy key-based exterior access. While it offers robust security, it is specifically designed for standard door installations and may not be suitable for doors requiring multi-point locking systems or heavy-duty commercial reinforcements.

All features

Model Part NumberDZ-F6406-(1)
BrandDzina

Extended Product Information

FAQs

Can I replace just the cylinder if I lose all my keys?

Yes, the external cylinder is designed for individual replacement, though it is often easier to keep spare keys in a secure location.

Is this latch suitable for metal doors?

This model is primarily designed for wooden doors. Mounting on metal doors may require specific drilling and mounting hardware not provided.

How many keys come with the unit?

The package includes three keys as standard.

What is a 60mm backset?

The backset is the distance from the edge of the door to the center of the keyhole; this latch requires a 60mm distance to function correctly.

Can the snib be used to lock the door while I am away?

No, the deadlocking snib is designed to be operated from the inside of the house only.

Troubleshooting

Key is difficult to turn in the cylinder

Apply a small amount of graphite lubricant or silicone spray into the keyway.

Latch does not retract fully when the knob is turned

Check that the mounting screws are not overtightened, which can cause binding within the casing.

Door does not latch securely when closed

Ensure the strike plate is properly aligned with the latch bolt and not obstructed by debris.

Pros and Cons

Pros

  • Simple, user-friendly interior knob operation
  • Deadlocking snib enhances interior security
  • Classic aesthetic suits various door styles
  • Complete package includes everything needed for installation
  • Reliable brass construction

Cons

  • Limited to single-point locking security
  • Not suitable for high-security commercial requirements
  • Only compatible with standard door thicknesses
  • Finish may require occasional cleaning to maintain sheen

Setup, Compatibility & Care

Installation requires standard carpentry tools, including a drill and screwdriver. Ensure your door has a 60mm backset to match the latch mechanism.

  1. Measure your door to ensure the 90mm case size fits the available space.
  2. Align the external cylinder with the internal latch mechanism.
  3. Secure the unit using the provided fixing screws.
  4. Test the movement of the knob and key rotation before final tightening.

To maintain the brass finish, wipe the cylinder and latch plate periodically with a soft, damp cloth. Avoid harsh chemical cleaners that may strip the champagne finish. Lubricate the internal cylinder mechanism once a year with a light silicone-based spray to ensure smooth key operation.

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