WF11 S.Chrome Bulb End Casement Fastener Hp & Mp
- Solid brass
- Comes with both hook & mortice plates
- Reversible handle
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
WF11 S.Chrome Bulb End Casement Fastener Hp & Mp
When you are looking to enhance the aesthetic appeal and operational security of your timber windows, the WF11 S.Chrome Bulb End Casement Fastener Hp & Mp stands out as a premium choice. This fastener combines traditional design elements with modern manufacturing precision. It is crafted from high quality solid brass, ensuring that your window hardware remains both functional and visually striking for many years to come.
The satin chrome finish provides a contemporary and sophisticated look that complements a wide array of interior design themes. Whether you are refurbishing a period property or adding the final touches to a new build, this hardware provides the reliability you need. It is designed specifically to offer a firm grip and smooth action for standard casement windows, ensuring that your home remains secure and comfortable throughout the changing seasons.
Mechanical Physics and Structural Integrity
Understanding the physics behind your window hardware is essential for long term satisfaction. This item utilises a lever action mechanism that effectively translates manual force into secure locking pressure against the mortice plate. The solid brass base acts as a foundation that resists deformation under the constant tension of daily use.
Because the material is inherently dense and robust, the fastener does not suffer from the microscopic flex that often leads to hardware failure in cheaper, pressed metal alternatives. The bulb end design is not merely for aesthetics, as the ergonomic shape allows for a natural distribution of force when you are pulling the window sash tight against the frame. This ensures that the seal remains consistent, preventing drafts and maintaining the thermal efficiency of your living space.
Operational Workflow and User Experience
Operating this fastener is a simple and intuitive process that requires minimal physical exertion. When you approach your window, you grasp the bulb end handle and rotate it upwards to release the catch from the mortice plate. The precision engineering of the pivot point ensures that the movement is fluid and free from grinding or sticking, which is a common complaint with inferior hardware.
Once the window is pushed open, the fastener remains out of the way, allowing for unobstructed airflow. To close the window, you simply pull the sash back into position and rotate the handle downwards. The hook will engage with the mortice plate with a satisfying click, signalling that the window is now held firmly in place. This reliable feedback gives you peace of mind that your home is secure without the need for complex locking mechanisms that can often jam or break over time.
Ergonomics and Safety Standards
In the design of modern architectural hardware, user comfort is just as important as structural strength. The handle length of 98mm has been carefully calculated to provide sufficient leverage for users of all ages, ensuring that even those with reduced grip strength can operate the window without unnecessary strain. By reducing the effort required to secure a window, we help prevent the common repetitive strain injuries associated with poorly designed, stiff fasteners.
Furthermore, safety is a primary consideration in this design. The non locking nature of this fastener makes it an excellent choice for rooms where quick egress is necessary in the event of an emergency. While it provides a secure fit against the elements, it does not act as a barrier to those who need to exit the building rapidly. This balance of security and accessibility makes it a preferred choice for homeowners who value safety protocols alongside high quality aesthetics.
Commercial ROI and Long Term Value
Investing in high quality solid brass hardware is a sound financial decision for any property owner. While the initial cost of premium components may be higher than mass produced alternatives, the long term savings are significant. This fastener is designed to endure thousands of cycles without losing its structural integrity or the quality of its satin chrome finish.
By choosing hardware that does not require frequent replacement, you eliminate the recurring costs of sourcing new parts and the labour time involved in installation. Additionally, high quality finishes like satin chrome are resistant to the tarnishing and pitting that often plague inferior products in humid environments. This longevity preserves the value of your property, as well maintained architectural details are a key selling point for potential buyers or tenants. You are not just buying a fastener, you are investing in the ongoing functionality of your building assets.
Suitable Materials and Ideal Applications
This hardware is engineered specifically for use on timber windows. The nature of wood as a substrate requires hardware that can be fastened securely without causing the material to split or weaken over time. The included fixing kit is designed to provide maximum bite into the timber, ensuring that the fastener remains rigid and secure regardless of the wood species or density.
- This fastener is ideal for use on traditional timber casement windows found in both residential and light commercial settings.
- The reversible handle design makes this item suitable for both left and right hand opening windows, providing total flexibility during installation.
- You should avoid using this product on weather stripped windows as the thickness of the seals may interfere with the engagement of the hook and mortice plate.
- The satin chrome finish is best suited for interior environments where it can be protected from direct, prolonged exposure to harsh external weather conditions.
Technical Specifications
To ensure this product meets your specific requirements, please review the following technical data. These dimensions are standard for high quality casement fasteners and provide a universal fit for most timber window profiles.
| Feature | Measurement |
|---|---|
| Handle Length | 98mm |
| Handle Projection | 40mm |
| Fixing Plate Width | 16mm |
| Fixing Plate Length | 60mm |
| Material | Solid Brass |
| Finish | Satin Chrome |
| Operation | Non Locking |
| Compatibility | Timber Casement Windows |
Not sure if this Window Casement Fastener is right for your requirements? If you are not sure if this window fastener is right for your requirements please contact our friendly team today.
We are committed to helping you find the perfect hardware for your project. If you have questions regarding compatibility, finishing, or installation techniques, our team of experts is ready to assist you. Whether you are managing a large renovation or a simple home upgrade, we provide the support you need to ensure success. Enhance your windows with the reliability and style of the WF11 S.Chrome Bulb End Casement Fastener today.
Specification
| Manufacturer | Carlisle Brass |
|---|---|
| Finish | Satin Chrome |
| Fixing Centres (mm) | 45 |
| Handed | Reversible |
| Window Material Suitability | Wood |
| Locking | No |
| Handle Type | Mortice or Hook |

