The Era Double Locking Nightlatch 40mm is a high-security door lock designed to replace most existing front door locks. Its automatic deadlocking mechanism prevents the bolt from being retracted using a credit card, enhancing protection against forced entry. Ideal for both solid and glass panelled doors, it features a user-friendly internal locking handle and a snib feature for convenience.
Key Features & Benefits:
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Auto Deadlocking – The main lock bolt automatically deadlocks when the door closes, preventing it from being retracted using a credit card.
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Internal Deadlocking – The inside handle can be deadlocked with an anti-clockwise key turn, securing the lock from forced entry.
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Snib Feature – The bolt can be held in the withdrawn position using the snib feature.
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Universal Fit – Designed to replace most existing front door locks with minimal adjustments.
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Secure Construction – Made from durable zinc alloy for strength and longevity.
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Ergonomic Handle – Internal locking handle provides a comfortable grip and added security.
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Fixings Included – Supplied with all necessary fixings for quick and easy installation.
- 10-Year Guarantee – Backed by a 10-year mechanical guarantee for peace of mind.
Product Specifications:
Model | Finish | Boxed Weight |
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Era Double Locking Nightlatch | Brass Effect Body – Brass Cylinder | 680g |
Era Double Locking Nightlatch | Polished Chrome Body – Chrome Cylinder | 680g |
Installation Guide:
- Prepare the Door: Mark the position of the lock on the door and frame.
- Drill Holes: Drill the necessary holes for the lock body, cylinder, and handle.
- Fit the Lock Body: Insert the lock body into the hole and secure it with the included screws.
- Install the Cylinder: Insert the cylinder through the door and fix it in place.
- Attach the Strike Plate: Secure the strike plate to the door frame.
- Test the Lock: Ensure smooth operation of the locking and deadlocking mechanisms.
Frequently Asked Questions (FAQs):
1. Can this nightlatch be used on both left and right-hand doors?
Yes, the Era Double Locking Nightlatch is suitable for both left and right-hand doors.
2. What type of doors is this lock suitable for?
This lock is ideal for solid and glass panelled doors with a thickness of 35mm to 54mm.
3. Can the lock be opened from both sides?
Yes, the lock can be operated from the outside using a key and from the inside using the ergonomic handle.
4. How secure is this lock against forced entry?
The automatic deadlocking feature prevents the bolt from being retracted using a credit card or other tools. The internal deadlocking feature adds extra protection.
5. What tools are required for installation?
A screwdriver and drill are typically sufficient for installation.
Why Choose the Era Double Locking Nightlatch?
- High-Security Design – Automatic and internal deadlocking prevents tampering and forced entry.
- Convenience and Ease of Use – Ergonomic handle and snib feature for effortless locking and unlocking.
- Durable and Reliable – Zinc alloy construction ensures strength and longevity.
- Universal Fit – Designed to replace most existing front door locks with minimal modifications.
Upgrade your front door security with the trusted Era Double Locking Nightlatch – Combining strength, convenience, and peace of mind!

