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YAL85SCPDMG
Yale 85 Deadlocking Nightlatch Narrow Style DMG/SC
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Yale 85 40Mm Met Grey Scp 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/SC
When it comes to securing your home or commercial premises, the choice of door hardware is paramount. The Yale 85 Deadlocking Nightlatch Narrow Style DMG/SC represents a benchmark in traditional locking technology, combining robust engineering with the reliability that the Yale brand is renowned for globally. This unit is specifically designed for narrow style doors where space is at a premium, ensuring that your security remains uncompromised even in tighter configurations.
This item provides an essential layer of protection for any inward opening door. Its sleek Dark Metallic Grey finish offers a professional appearance that complements a wide array of door materials and architectural styles. By choosing this hardware, you are investing in a proven mechanism that has been refined over decades to provide consistent performance and peace of mind for property owners.
Unrivalled Security and Operational Excellence
The core strength of this device lies in its sophisticated deadlocking capability. Unlike basic latches that rely solely on a spring mechanism, this model allows the user to engage a secondary security state. By performing a reverse turn of the key from the outside, the latch is physically locked in place. This prevents the latch from being retracted by force or manipulation, significantly increasing the resistance of the door against unauthorised entry attempts.
The internal snib button serves as a versatile control point for daily usage. It can be used to deadlock the mechanism from the inside, which renders the lock completely inoperable from the outside by key or handle. Alternatively, the snib can hold the latch in a withdrawn position, allowing for easy access when you are moving items in and out of the building. This flexibility is a critical feature for those who require different security profiles throughout the working day.
- The internal handle provides a smooth and reliable lever operation for quick egress in the event of an emergency.
- The supplied Yale 1109 cylinder offers a high standard of pick resistance and ensures compatibility with standard key cutting services.
- The narrow design allows for seamless integration onto frames that might be too restricted for standard sized lock bodies.
- Each unit comes with two keys, providing an immediate solution for primary and secondary users.
- The robust construction materials are treated to resist environmental corrosion, ensuring that the mechanism remains smooth over years of heavy use.
Mechanical Physics and Structural Integrity
Understanding the physics behind this lock helps in appreciating its durability. The internal spring mechanism is calibrated to provide enough tension to keep the door firmly closed against wind pressure and frame vibration, yet it remains light enough for the lever handle to be operated with minimal physical exertion. The force applied to the handle is translated through a high tensile steel pivot, which is engineered to distribute stress evenly across the lock casing.
By minimising the friction points within the internal casing, the manufacturer has ensured that the movement of the bolt is fluid and consistent. This reduction in mechanical wear is vital because it prevents the development of slack or play in the mechanism over time. The structural housing is cast and finished to precise tolerances, meaning that the internal components are shielded from dust, moisture, and debris that could otherwise cause jamming or mechanical fatigue.
Step by Step Operational Workflow
Operating this hardware is a straightforward process that becomes second nature very quickly. When you are leaving your property, you simply pull the door shut, allowing the self-latching bolt to engage with the keep. To secure the property further, you insert the key into the external cylinder and perform a reverse turn, which physically locks the bolt in place and engages the deadlocking function.
Upon returning, you insert the key and turn it in the standard direction to retract the bolt and disengage the deadlocking feature. From the inside, the lever handle provides an immediate exit path. If you need to keep the door unlocked for a period, you can use the snib button to hold the latch in the open position. This feature is particularly useful for tradespeople or during social gatherings where frequent access is required without the need for a key.
Ergonomic Health and Safety Compliance
In a commercial or residential setting, hardware must be accessible to all users regardless of their physical strength. The ergonomic design of the internal lever handle means that the force required to open the door is kept to a minimum. This reduces the strain on the wrist and hand, which is an important consideration for high traffic areas or environments frequented by the elderly.
Furthermore, the ability to deadlock the door internally provides a sense of safety and control for occupants. By ensuring the lock is simple to operate, you reduce the risk of user error during an emergency. The combination of the snib function and the handle ensures that you are never trapped on one side of the door while also ensuring that the door is always ready to be opened from the inside as part of a compliant fire safety strategy.
Commercial ROI and Long Term Value
Investing in high quality locking hardware like the Yale 85 is a sound business decision. Cheap alternatives often fail within a few years, leading to frustration, security vulnerabilities, and the recurring costs of replacement and installation. Because this model is built to last, it significantly lowers your total cost of ownership by extending the replacement cycle.
Beyond the cost of the hardware itself, the peace of mind offered by a secure door is invaluable. Protecting your assets, inventory, and staff is a fundamental requirement for any business. By choosing a reputable brand, you are also ensuring that spare parts or additional keys remain readily available, which saves time and administrative effort in the long run. The durability of the finish ensures that the unit maintains its aesthetic appeal, contributing to the professional look of your premises.
Not sure if this Nightlatch is right for your requirements? If you are not sure if this nightlatch is right for your requirements please contact our friendly team today. Our experts are here to help you select the perfect hardware for your specific door thickness and security needs.
Technical Specifications
To assist you in planning your installation, we have compiled the following technical parameters for the Yale 85 Deadlocking Nightlatch Narrow Style DMG/SC. Please verify these measurements against your existing door configuration before purchase.
| Feature | Specification |
|---|---|
| Product Name | Yale 85 Deadlocking Nightlatch Narrow Style DMG/SC |
| Finish | Dark Metallic Grey Body with Satin Chrome Cylinder |
| Door Compatibility | Left and Right Handed |
| Door Thickness | Up to 57mm |
| Deadlocking | Yes, via reverse key turn |
| Snib Function | Yes, for latch hold-back |
| Cylinder Included | Yale 1109 |
| Keys Supplied | 2 |
| Security Level | High |
| Guarantee | 2 Year Manufacturer Guarantee |
The installation process is designed to be efficient for any competent tradesperson. The narrow style of this unit makes it particularly well suited for aluminium or timber doors with restricted stiles. If you are replacing an existing unit, you will find that the dimensions allow for a relatively simple retro-fit. Always ensure that the keep is aligned correctly with the bolt to prevent unnecessary friction and to ensure the deadlocking function operates with the intended smoothness.
We recommend periodic maintenance to ensure the longevity of your hardware. A light spray of high quality silicone lubricant into the cylinder and onto the latch bolt annually will keep the internal components moving freely. Avoid using thick greases, as these can attract dust and grime which may lead to stiff operation over time. By following these simple maintenance steps, you can ensure that your Yale 85 continues to provide reliable service for many years to come.
In summary, this product offers the perfect balance of security, ease of use, and aesthetic appeal. Whether you are upgrading the security of a residential home or outfitting a commercial office, the performance of this nightlatch is hard to beat. Contact our team today if you have any questions regarding the compatibility of this item with your specific doorway.
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 |