Broad Nightlatch - Black - 60mm
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Product Information
Full details
The Vier Broad Nightlatch (MPN: ZNL60PCB) is an essential security solution for residential timber doors ranging from 35mm to 54mm in thickness. Offering a reliable balance of durability and convenience, it features a 5-pin rim cylinder and an internal snib for quick locking, making it an ideal choice for homeowners looking to upgrade their entry door security. While it provides robust everyday protection, it is designed specifically for timber applications and may not be suitable for metal or uPVC door profiles without professional modification.
All features
| Colour | Black |
|---|---|
| Model Part Number | ZNL60PCB |
| Brand | Zoo Hardware |
Extended Product Information
FAQs
Does this lock come with everything needed for installation?
Yes, the pack includes the nightlatch body, the rim cylinder, the strike plate, and 3 keys. You will need your own tools for installation.
Can I use this on an outward-opening door?
This model is designed for standard inward-opening timber doors. Using it on outward-opening doors may expose the lock mechanism.
What should I do if I lose the keys?
You can take one of the remaining keys to a professional locksmith to have duplicates made, as this is a standard 5-pin cylinder.
Is the black finish prone to peeling?
The black powder coat is highly durable, but avoid using harsh metal polishes or scrubbers, which can damage the surface finish.
Can I install this on a glass door?
No, this nightlatch is designed exclusively for timber doors. Installation on glass or composite materials is not supported.
Troubleshooting
Key is difficult to turn in the cylinder
Apply a small amount of graphite lubricant or silicone-based spray into the keyway and work the key in and out several times.
Bolt does not latch into the strike plate
Check that the strike plate is aligned correctly with the latch bolt. You may need to adjust the position of the strike plate or widen the mortise in the frame.
Snib is stiff or won't engage
Ensure the mounting screws are not overtightened, as this can pinch the internal mechanism. Loosen the screws slightly to check for improved movement.
Pros and Cons
Pros
- Versatile reversible bolt for left or right-handed doors
- Durable black powder coat finish resists corrosion and scratches
- Easy internal locking via the snib mechanism
- Standard 60mm backset fits most traditional timber door setups
- Comes complete with 3 keys for immediate use
Cons
- Not compatible with non-timber door materials like uPVC or steel
- Requires professional routing if replacing a lock with a different backset size
- Fixed backset may limit usage on doors with decorative moulding
Setup, Compatibility & Care
To install this nightlatch, ensure your door is constructed from solid or hollow-core timber between 35mm and 54mm thick. You will need a drill, a wood chisel, and a screwdriver. 1. Measure and mark the 60mm backset position on the inside of the door. 2. Drill the hole for the rim cylinder. 3. Mount the nightlatch body to the interior surface using the provided screws. 4. Align the strike plate on the door frame and ensure the bolt engages smoothly without resistance. For maintenance, avoid using abrasive chemical cleaners on the black powder coat; instead, use a soft, damp cloth to remove dust and debris. Periodically lubricate the internal mechanism with a silicone-based spray to keep the action smooth.