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YAL85PBDMG
Yale 85 Deadlocking Nightlatch Narrow Style DMG/PB
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Yale 85 40Mm Met Grey Pb Night Latch door lock with 2 keys Narrow Style
In stock
Delivery Information
| Delivery Time Frame | Delivery Information |
| Next Working Day By 1PM | When an order is placed by 3pm for next working day on certain items |
| Standard Delivery | Usually delivered in 2 to 4 working days |
| Delivery Charges | |
| UK Mainland | Prices start at £3.95 for very small items, £6.50 for small, £9.50 for medium and £20 for large/long items |
| Scottish Highlands & Islands, Northern Ireland & Ireland | Prices from £30, please see our delivery page for more info. |
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£45.54
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£37.95
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Description
Yale 85 Deadlocking Nightlatch Narrow Style DMG/PB
Securing your home or commercial premises requires hardware that balances robust mechanical integrity with seamless daily operation. The Yale 85 Deadlocking Nightlatch Narrow Style DMG/PB stands as a premier choice for those seeking a reliable locking solution for narrow profile doors. This unit combines the trusted heritage of Yale security engineering with a sophisticated dark metallic grey finish, complemented by a polished brass cylinder that adds a touch of classic elegance to your entryway.
Designed specifically for doors where space is at a premium, this narrow style mechanism ensures that security is never compromised by the dimensions of your door frame. Whether you are upgrading an existing entrance or securing a new installation, this hardware provides the peace of mind that comes from using industry-leading protection. Its compact footprint hides a powerful deadlocking system capable of resisting common intrusion techniques.
Enhanced Security Through Advanced Mechanical Design
The core strength of this locking system lies in its sophisticated internal arrangement. Unlike standard latches that rely solely on a spring mechanism, this model incorporates a deadlocking feature that effectively immobilises the latch bolt. Once the door is closed and the deadlocking sequence is engaged, the latch is physically prevented from being manipulated by external objects or forced entry tools.
- The internal handle can be deadlocked by a simple reverse turn of the key in the outside cylinder after the door has been closed securely.
- A dedicated snib button allows you to deadlock the mechanism from the inside, which renders the lock completely inoperable by either the key or the handle.
- The system is supplied with a high-quality Yale 1109 cylinder, ensuring that the interface between your key and the lock remains smooth and reliable over thousands of cycles.
- The mechanical precision of the latch bolt ensures that it engages with the strike plate with minimal friction, reducing wear on both the door frame and the lock itself.
When we analyse the mechanical physics at play, we observe that the deadlocking action creates a rigid barrier against kinetic force. The internal components are engineered to withstand significant torque, ensuring that the latch remains firmly in its locked position even when subjected to external pressure. By distributing the load across the strike plate and the internal housing, this device prevents the component flex that often leads to hardware failure in inferior products.
Step by Step Operational Workflow
Operating this nightlatch is an intuitive process that prioritises user comfort and efficiency. To enter from the outside, you simply insert the Yale key into the cylinder and rotate it to withdraw the latch. Upon closing the door behind you, the latch automatically engages with the strike, providing immediate basic security without the need for manual locking.
For those times when you require additional security, such as when leaving the property for an extended period, the deadlocking function is easily activated. By performing a reverse turn of the key from the outside, you effectively lock the internal lever handle, preventing anyone inside from opening the door without a key. This dual-action capability provides a versatile security profile that adapts to your specific needs throughout the day.
Inside, the snib button acts as a convenient control point. By sliding the snib, you can hold the latch in a withdrawn position, which is particularly useful when you are moving items in and out of the building. Alternatively, you can use the snib to deadlock the door internally, creating a secure environment that prevents unauthorized access even if someone possesses a duplicate key.
Expert Tip: Always ensure your door frame is in good condition before installation. A sturdy frame is the first line of defence, and pairing it with this Yale 85 Deadlocking Nightlatch Narrow Style DMG/PB will maximise the effectiveness of your security setup.
Ergonomics and Safety Compliance
Hardware selection is not just about security, it is about the daily experience of the user. This unit is designed with ergonomic principles in mind, ensuring that the lever handle operation is fluid and requires minimal physical effort. This is particularly important in busy commercial environments where the door may be used dozens of times per hour.
By reducing the force required to operate the lock, this equipment minimises physical strain on the user, contributing to a more accessible environment. The snib mechanism is positioned to be easily accessible yet resistant to accidental engagement, balancing ease of use with safety. Furthermore, the robust construction ensures that the lock remains compliant with safety standards, providing reliable egress in the event of an emergency while maintaining strict control over ingress.
Commercial ROI and Long Term Value
Investing in Yale 85 Deadlocking Nightlatch Narrow Style DMG/PB hardware is a strategic decision for any property owner. While the initial cost may be higher than generic alternatives, the long term value is found in the significant reduction of maintenance and replacement cycles. High-quality materials such as the dark metallic grey finish are chosen for their resistance to corrosion and environmental wear, ensuring the lock maintains its aesthetic and functional quality for years.
Beyond durability, the security provided by this unit acts as a form of risk mitigation. Protecting your assets from unauthorised access prevents the high costs associated with theft, property damage, and administrative downtime. By choosing a trusted brand, you also benefit from a two-year guarantee, reflecting the manufacturer's confidence in the longevity of their engineering. This reliability ensures that your operational overheads remain low, as you avoid the recurring costs of calling out locksmiths to repair failing or jammed mechanisms.
Technical Specifications
To assist you with your installation, please review the following technical details regarding this product. These specifications cover the standard requirements for most inward opening doors.
| Feature | Specification |
|---|---|
| Product Name | Yale 85 Deadlocking Nightlatch |
| Backset | 40mm |
| Door Thickness | Up to 57mm |
| Handing | Suitable for left and right handed |
| Door Type | Inward opening |
| Finish | Dark Metallic Grey Body, Polished Brass Cylinder |
| Guarantee | 2 Year Manufacturer Guarantee |
| Security Level | High Security |
| Included | 1109 Cylinder and 2 Keys |
Final Considerations
Choosing the right locking mechanism is a critical step in securing your premises. This model is exceptionally well-suited for narrow stile doors, offering a refined aesthetic that does not sacrifice the high security standards expected from Yale. Its combination of internal deadlocking, manual snib control, and durable finish makes it a versatile addition to any residential or commercial property.
If you are not sure if this nightlatch is right for your requirements, please contact our friendly team today. Our experts are always on hand to provide advice on compatibility, installation, and the best security practices for your specific door setup. We are committed to helping you find the perfect hardware to protect what matters most.
Specification
| Manufacturer | Yale |
|---|---|
| Dimensions | 70 (H) x 62 (D) |
| Guarantee | 2 Year |
| Lock Type | Rim Nightlatch |
| Lock Operation | Rim Cylinder |
| Lock Backset | 40mm |
| Follower Size (mm) | N/A |
| Faceplate Width | N/A |
| Environmental Suitability | All |
| Mechanism | Latch |
| Door Material Suitability | Wood |
| Max Door Thickness (mm) | 57 |
| Forend Finish | N/A |