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WIN-1112-20FP-55MM-2
Winkhaus 1112/20FP (WHM25520) 2 Hook Multipoint Door Lock 55mm Backset
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Winkhaus 1112/20FP (WHM25520) 2 Hook Multipoint Door Lock 55mm Backset
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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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£139.49
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£116.24
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Description
Winkhaus 1112/20FP (WHM25520) 2 Hook Multipoint Door Lock 55mm Backset
Security is the foundation of any peaceful home or commercial property. Choosing the right locking mechanism is not just about keeping the door shut, but about ensuring that your entry points can withstand physical force, environmental stressors, and the test of time. The Winkhaus 1112/20FP (WHM25520) 2 Hook Multipoint Door Lock 55mm Backset represents a pinnacle of engineering excellence, designed specifically to provide robust protection for modern composite and timber doors.
This sophisticated hardware solution utilizes a multi-point engagement system to anchor the door slab securely into the frame at various critical locations. By spreading the stress of an impact across multiple hook bolts and a central deadbolt, this item minimizes the risk of structural compromise or unauthorized entry. It is a preferred choice for professional locksmiths and joiners who understand that quality hardware is the most effective barrier against intruders.
When you invest in this locking mechanism, you are choosing a product that has undergone rigorous testing to ensure it meets the highest British standards for durability and security. Its design ensures smooth operation day after day, regardless of temperature fluctuations or frequent daily use. You will find that this hardware provides a perfect balance between mechanical strength and user-friendly accessibility.
Unrivalled Mechanical Engineering and Structural Integrity
The mechanical physics of this locking system are carefully calculated to distribute tension evenly across the door frame. When the handle is lifted, the two hooks travel vertically to engage with the keep plates, effectively pulling the door leaf tight against the seals. This action prevents the door from bowing or warping over time, which is a common issue with cheaper, less substantial alternatives.
- The dual hook bolt design provides superior anti-jemmy resistance compared to standard deadbolt systems.
- The reinforced case construction ensures that internal gears maintain proper torque distribution during operation.
- Precision-engineered components reduce the friction coefficient inside the gearbox to ensure the handle feels smooth and consistent.
- High-grade alloy materials are utilised throughout the mechanism to provide a high strength to weight ratio for improved longevity.
- The anti-corrosive plating on the surface of the components prevents the oxidation that can lead to stiff or failing locks in humid climates.
By preventing component flex under pressure, the locking mechanism ensures that even if significant force is applied to the door, the load is redirected into the heavy-duty frame structure. This creates a virtual fortress effect, ensuring that the door remains held firmly in place under various stress scenarios.
Operational Workflow for the User
Interacting with this hardware is designed to be an intuitive and seamless experience for the end user. The sequence of operation is standardized to ensure that security is maintained without requiring excessive force or complex manoeuvres.
- The user begins by closing the door until the latch bolt engages with the keep in the door frame.
- An upward motion on the door handle triggers the multi-point mechanism, which drives the two hook bolts into their respective positions.
- Once the handle has reached its vertical position, the user inserts the key into the cylinder to engage the deadbolt.
- The secondary locking action secures the handle in place, providing a secondary layer of protection against accidental operation.
- A single downward turn of the key retracts both the deadbolt and the hooks simultaneously, allowing the door to be opened with minimal effort.
This smooth workflow reduces the strain on the internal springs, which in turn extends the lifespan of the entire system. Because the handle motion is fluid, it significantly reduces the likelihood of mechanical failure that can often occur when a user is forced to yank or struggle with a stiff, poorly designed lock.
Pro Tip for Maintenance
To maintain the high performance of your Winkhaus 1112/20FP (WHM25520) system, ensure that the moving parts remain lightly lubricated with a PTFE based spray. This simple habit prevents the accumulation of grit and dust that can cause friction and wear within the gearbox over long-term use.
Ergonomic Benefits and Security Compliance
Modern hardware design must consider the health and safety of the user alongside high-level security. The Winkhaus 1112/20FP (WHM25520) is built with ergonomic comfort in mind, ensuring that the force required to operate the lock is well within the capabilities of all users, including the elderly or those with limited dexterity.
The split follower function is a major advantage for commercial and high-traffic residential settings. It allows the door to be secured from the outside while maintaining the ability to exit quickly in an emergency, which is a critical aspect of fire safety compliance. By reducing the physical effort needed to lock and unlock the door, you minimize the risk of repetitive strain injuries and ensure that your property remains compliant with accessibility standards.
Commercial ROI and Long Term Value
Investing in premium hardware like this lock is a strategic decision for any property owner or facility manager. While the initial investment might be slightly higher than standard alternatives, the long term savings are substantial. Frequent replacement of inferior locking systems is not only costly but also disruptive to the day-to-day operation of your business or home.
- Reduced maintenance cycles mean you spend less time and money on call-out fees for locksmiths.
- Enhanced security features often lead to lower insurance premiums for residential and commercial property holders.
- The longevity of this hardware protects your door from potential damage that occurs when cheaper, failing locks cause misalignment issues.
- Installing trusted brand name hardware increases the overall market value of your property when it comes time to sell or lease.
- You achieve peace of mind knowing that your assets are protected by industry-leading technology that has been proven in the field.
Technical Specifications
This table outlines the essential dimensions and compatibility features for this specific model, helping you ensure a perfect fit for your installation project.
| Feature | Specification |
|---|---|
| Model Identification | Winkhaus 1112/20FP (WHM25520) |
| Backset Measurement | 55mm |
| Locking Points | 2 Hook Bolts and 1 Central Deadbolt |
| Lock Centres | 92mm |
| Forend Width | 20mm Radiused |
| Follower Type | Split Follower |
| Distance Between Hooks | 1490mm |
| Case Height | 185mm |
| Overall Length | 1770mm |
Whether you are replacing an outdated locking mechanism or installing a new door, selecting the right hardware is essential. This product provides the reliability, strength, and ease of use that modern homeowners and business owners demand. At Doorfit, we are committed to providing you with the highest quality components to ensure your security needs are met with precision. Should you have any questions regarding the compatibility of this lock with your specific door profile, our team is always on hand to assist with your requirements. Secure your space with confidence today by choosing professional grade hardware designed to last.
Specification
| Manufacturer | Winkhaus |
|---|---|
| Guarantee | 12 Months |
| Lock Type | Multipoint |
| Lock Operation | Euro Cylinder |
| Lock Backset | 55 |
| Lock Centres | 92mm |
| Follower Size (mm) | 8 |
| Faceplate Width | 20mm |
| Environmental Suitability | Exterior |
| Mechanism | 2 Hooks, 1 Deadbolt |
| Door Material Suitability | UPVC / Timber |
| Max Door Thickness (mm) | 65 |
| Forend Finish | Stainless Steel |