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FUH-856-4HOOK-LOCK
Fuhr 856 (42 1856 92 304) multipoint door lock
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Fuhr 856 (42 1856 92 304) multipoint door lock
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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£108.00
Incl. VAT
£90.00
Excl. VAT
Incl. VAT
Excl. VAT
Incl. VAT
Excl. VAT
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Description
Fuhr 856 (42 1856 92 304) multipoint door lock
Securing your premises requires hardware that balances robust mechanical strength with seamless daily operation. The Fuhr 856 (42 1856 92 304) multipoint door lock stands as a premier choice for professionals and homeowners who refuse to compromise on safety. This high performance locking system is engineered to provide multi-point engagement, ensuring your door remains held firmly against the frame across four distinct points. By distributing the pressure across these hooks, this equipment offers enhanced resistance against forced entry and thermal warping.
Choosing the right locking gear is not just about immediate security but also about long term peace of mind. This model is designed for those who appreciate German engineering precision and durable construction. Whether you are refurbishing an existing entrance or installing a new high traffic door, this system integrates effortlessly into standard door profiles while delivering exceptional stability.
The Mechanics of Superior Security
At the heart of this hardware lies a sophisticated arrangement of mechanical components designed to manage physical forces with ease. When you operate this locking unit, you are engaging a system that manages significant tension and load across the door edge. The four hook design is particularly effective because it works to prevent the door from flexing or bowing under extreme weather conditions or physical impact attempts.
The mechanical physics involved here focus on leverage and distribution. By using hooks rather than simple deadbolts, the system draws the door leaf tightly into the frame. This action creates a weather seal that keeps the elements outside and your interior environment stable. The internal gearbox is hardened to handle the torque applied by the handle, ensuring that the movement remains smooth even after years of daily use.
Step by Step Operational Workflow
Understanding how this equipment interacts with the user helps in appreciating the quality of the design. The operational sequence is intuitive and designed for safety.
- The user begins by closing the door until the latch engages with the strike plate on the frame.
- Once the door is held in position by the latch, the user turns the handle upward to engage the hooks into their respective receivers.
- The movement of the handle drives the internal drive rail, which physically pushes the hooks out into the locked position.
- The user then rotates the key in the euro profile cylinder, which throws the deadbolt and prevents the handle from moving back down.
- This creates a secure lock that holds the door firmly against the gasket, effectively sealing the room.
Reliability and Durability in Commercial Environments
In high traffic settings such as office buildings or residential blocks, hardware undergoes constant usage. This Fuhr 856 (42 1856 92 304) multipoint door lock is built to withstand the rigours of such environments. The materials used in construction are specifically selected to resist the corrosive effects of moisture and the mechanical wear caused by thousands of activation cycles. By investing in premium locking systems, you reduce the likelihood of mechanical failure and the subsequent need for urgent, costly repairs.
Pro Tip for Maintenance Regular lubrication of the internal drive mechanism and the hook points ensures that the movement remains fluid. We recommend a high quality, non-acidic silicone spray once every six months to keep your locking gear functioning as smoothly as the day it was installed.
Ergonomic Health and Safety Compliance
Safety is not merely about locking a door. It is also about the ease with which occupants can exit in an emergency. This locking solution is designed to offer a balance between high security and ergonomic functionality. The handle operation is smooth, requiring minimal physical effort to activate the locking points. This is particularly important in buildings where residents or staff may have varying degrees of physical strength. Reducing the physical strain required to lock a door ensures that users are more likely to engage the mechanism fully, which is vital for maintaining security standards.
Furthermore, the precision of the 92mm centres ensures that modern lever sets fit perfectly, preventing the handle from drooping over time. When hardware is correctly aligned and ergonomic, the chance of operational error is significantly reduced. This protects the integrity of the door and the locking mechanism itself.
Commercial ROI and Long Term Value
When you choose this specific model, you are making a conscious decision to prioritise asset protection. The initial cost of high grade hardware is quickly offset by the reduction in maintenance and replacement cycles. Cheaper, inferior locking systems often fail within a few years, leading to binding, snapping, or total loss of security. By contrast, this durable equipment is manufactured to last for decades, providing a solid return on investment for property owners and facilities managers alike.
Furthermore, having a high quality, well functioning lock is often a requirement for building insurance policies. Ensuring your door hardware meets these standards not only protects your assets but also avoids complications during administrative insurance reviews. This is the cornerstone of responsible property management.
Technical Specifications
The following table provides the precise technical data for this model. These dimensions are crucial for ensuring the correct fit for your door assembly.
| Feature | Specification |
|---|---|
| Product Name | Fuhr 856 (42 1856 92 304) multipoint door lock |
| Locking Points | 4 Hook |
| Centres (PZ) | 92mm |
| Backset | 30mm |
| System Type | Multipoint Locking Mechanism |
| Material Suitability | UPVC, Composite, and Timber doors |
| Durability | High cycle fatigue resistance |
Why Choose This Product
If you are looking for a reliable, heavy duty, and well engineered solution, this Fuhr 856 (42 1856 92 304) multipoint door lock is an outstanding choice. Its combination of four hook security, smooth operation, and long term durability makes it an industry favourite. Our team at Doorfit is committed to providing hardware that meets the highest standards of safety and functionality. We understand the importance of getting the right part for the right door the first time. Our technical support is always available to help you confirm the specifications if you have any questions regarding compatibility.
By upgrading your security infrastructure today, you are ensuring that your property remains safe, weather resistant, and easy to operate for years to come. Do not leave your door security to chance when a proven, high performance solution is available. Order this essential hardware today and experience the difference that quality engineering makes to your daily life and the long term security of your home or business.
Specification
| Manufacturer | Fuhr |
|---|---|
| Guarantee | 12 Months |
| Lock Type | Multipoint |
| Lock Operation | Euro Cylinder |
| Lock Backset | 30 |
| Lock Centres | 92mm |
| Follower Size (mm) | 8 |
| Mechanism | 4 Hooks |
| Door Material Suitability | UPVC / Timber |
| Max Door Thickness (mm) | 65 |
| Forend Finish | Stainless Steel |