Maco 600mm Offset Window Lock Espagnolette 25mm Backset MA57165
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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Description
Maco 600mm Offset Window Lock Espagnolette 25mm Backset MA57165
Securing your windows requires hardware that combines structural integrity with seamless daily operation. The Maco 600mm Offset Window Lock Espagnolette 25mm Backset MA57165 is a premier choice for professionals and homeowners alike. Engineered to provide robust multi-point locking, this component ensures your property remains protected while maintaining smooth functionality for side hung or top hung window profiles.
Whether you are upgrading an existing system or outfitting a new installation, this versatile device offers the mechanical reliability needed for modern window apertures. Its ability to adapt to various frame materials makes it an essential asset for any window repair kit or construction project.
Enhanced Security Through Precision Engineering
At the heart of this hardware lies a commitment to high security standards. The inclusion of mushroom head cams is a significant feature that prevents common forced entry techniques. These cams engage securely with the striker plates to ensure the window sash is pulled tight against the frame, which improves both weather sealing and physical resistance against prying tools.
- The mushroom head design increases the security profile by creating an interlocking bond with the window keep.
- Users benefit from adjustable locking cams that allow for fine tuning of the compression force over time.
- The 25mm backset provides a precise fit for a wide array of modern window profiles, ensuring that the locking mechanism operates with minimal resistance.
- The silver chromate finish offers advanced corrosion resistance to ensure long-term performance even in challenging environmental conditions.
Mechanical Physics and Structural Integrity
The mechanical efficiency of this locking system is dictated by how it manages torque and tension. When you turn the window handle, the internal drive mechanism converts rotational force into linear movement along the espagnolette bar. This precise conversion ensures that all locking points engage simultaneously without mechanical binding.
Because the unit is built to withstand high levels of pressure, it effectively resists component flex. Even under the external stress of heavy winds or deliberate tampering, the internal linkages remain stable. By maintaining structural rigidity, this item prevents the deformation that often leads to hardware failure in cheaper, less robust alternatives.
Step-by-Step Operational Workflow
Understanding how the Maco 600mm Offset Window Lock Espagnolette 25mm Backset MA57165 interacts with the user is vital for achieving the best results. The following sequence outlines the standard operation of the hardware in a typical window frame.
- The user initiates the sequence by grasping the handle and rotating it through the ninety degree arc required to unlock the sash.
- As the handle turns, the espagnolette rod shifts vertically, pulling the mushroom cams out of their fully secured position behind the striker plates.
- The window can then be opened to the desired angle, with the hardware remaining securely housed within the eurogroove to prevent debris from entering the mechanism.
- Closing the window involves reversing this movement, where the operator pushes the sash shut and returns the handle to the vertical position.
- This final action forces the mushroom cams to slide into the deepest point of the keep, creating a compression seal that shuts out draughts and moisture.
Ergonomic Health and Compliance
Effective hardware should not only protect a building but also protect the individual operating it. A high quality locking mechanism reduces the amount of physical force required to seal a window properly. By ensuring that the engagement process is smooth, the likelihood of musculoskeletal strain on the wrist or forearm is greatly reduced.
Furthermore, this model conforms to rigorous industry standards including BS 644, BS 4873, and BS 7412. These certifications represent a commitment to safety and reliability that is essential in commercial building management. By choosing components that meet these established benchmarks, you ensure that your property remains compliant with modern building regulations while maintaining an environment that is safe for all occupants.
Commercial ROI and Long Term Investment
Investing in superior window hardware like the Maco 600mm Offset Window Lock Espagnolette 25mm Backset MA57165 delivers clear financial advantages over the life of a building. While initial costs for professional grade hardware may appear higher than mass market alternatives, the total cost of ownership is significantly lower due to reduced replacement cycles.
Premium materials and advanced anti-corrosion coatings ensure that the lock does not suffer from premature failure or seizure. This reliability eliminates the need for frequent maintenance visits or emergency repairs. For property managers and developers, this means lower operational overheads and increased asset value. By protecting the integrity of the building envelope, you also contribute to better energy efficiency, as the superior compression provided by this lock prevents heat loss and lowers utility bills.
Not sure if this window espag lock is right for your requirements? If you are not sure if this window espag lock is right for your requirements please contact our friendly team today.
Technical Specifications
The following table outlines the critical dimensions and performance characteristics required to ensure compatibility with your existing window profiles.
| Feature | Specification |
|---|---|
| Backset | 25mm |
| Total Length | 600mm |
| Cam Height | 7.7mm |
| Compliance | BS 644, BS 4873, BS 7412, BS EN 1670 Grade 5 |
| Compatibility | PVCu, Aluminium, Timber |
| Fastener Requirement | 4mm or No.8 countersunk head screws |
| Mechanism Type | Multi-point mushroom cam |
This technical data confirms the flexibility of the design for various window types, whether they feature a 16mm eurogroove or standard rebate configurations. Always verify your specific profile dimensions before installation to ensure the espagnolette sits correctly within the channel.
Final Considerations for Installation
Proper installation is paramount to achieving the security and performance benefits outlined here. Ensure that all screw holes are pre-drilled if working with timber or aluminium to prevent splintering or frame distortion. When installing, check the alignment of the striker plates to ensure the mushroom cams seat perfectly without rubbing against the metal edges. A perfectly aligned system will operate silently and smoothly for many years, providing the peace of mind that comes with professional level security hardware from Doorfit.
Specification
| Window Material Suitability | UPVC / Wood / Metal |
|---|---|
| Window Operation | Hinged |
| Faceplate Width | 16mm |
| Lock Backset | 25mm |
| Roller Height | 7.7mm |
| Gear Type | Offset |

