Assa 640 Classic Lever Handles Unsprung
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
Elevating Your Door Hardware Performance
When you are sourcing architectural hardware for commercial or residential projects, the reliability of your lever handles is paramount. The Assa 640 Classic Lever Handles Unsprung represent a masterclass in British hardware engineering, specifically designed to withstand the rigours of high-traffic environments. Crafted from premium solid brass, these handles offer a level of structural integrity that standard alternatives simply cannot match. Whether you are fitting out a busy office space or looking for a long-lasting solution for a domestic interior, this range provides the perfect blend of aesthetic appeal and mechanical durability.
One of the primary challenges with door furniture is the wear and tear caused by constant daily use. The Assa 640 Classic series mitigates these common issues by utilising heavy-duty construction that excels in both general and demanding conditions. Because they are unsprung, they rely on the robust mechanisms of your door lockcases, creating a seamless partnership that promotes smooth operation every time the door is opened. By choosing this hardware, you are investing in a product that not only looks sophisticated in its satin chrome finish but also performs consistently throughout its extended lifespan.
At Doorfit, we understand that every installation presents its own unique set of requirements. The beauty of these handles lies in their versatility, as they are fully compatible with a wide array of lockcases including the popular Assa Modular, Connect, and Compact ranges. This level of compatibility removes the headache of sourcing disparate parts, ensuring your installation process is as efficient as possible. With a focus on high-quality materials and precise manufacturing, these lever handles ensure that every door in your building operates with a reassuring, solid feel that speaks volumes about the quality of the surrounding environment.
Operational Performance
The operational excellence of the Assa 640 Classic lever handles stems from their precise manufacturing. Because these handles are unsprung, they are perfectly balanced for high-performance lockcases that feature their own spring-loaded return mechanism. This synergy ensures that the handle returns to a horizontal position effortlessly, avoiding the sagging or drooping that plagues inferior hardware after a few years of intensive use.
Our customers often appreciate how these handles feel during daily interaction. The solid brass build provides a weighted, reassuring touch that signifies quality. By utilizing the included bolt-through fixings, you secure the handles firmly to the door, preventing the rotational slack that leads to loose handles over time. This makes them a superior choice for high-frequency doors that require both strength and a refined aesthetic.
Please ensure your door thickness falls within the 44-45mm range to guarantee a perfect fit with the supplied spindle and bolt-through fixings. If you require cover plates to hide the fixings for a cleaner look, please remember these are available as a separate purchase.
Material Durability
Durability begins with the raw materials. Solid brass is renowned for its corrosion resistance and structural robustness, making it the ideal choice for heavy-use applications. The satin chrome finish is applied to a high standard, providing a contemporary aesthetic that remains resistant to scuffs and fingerprints throughout its working life.
Unlike plated steel or alloy alternatives, solid brass components maintain their structural integrity even if the surface finish encounters minor scratches. This makes the Assa 640 Classic an excellent long-term investment. They are built to withstand the busy nature of schools, hospitals, and office blocks, ensuring your maintenance schedules remain minimal while the hardware continues to function with complete ease.
Every pair of lever handles is subjected to rigorous quality control measures, ensuring they meet the high standards expected for architectural ironmongery. The brass substrate offers high tensile strength, providing peace of mind in high-traffic settings.
Detailed Specifications
| Specification | Detail |
|---|---|
| Lever Length | 110mm |
| Lever Projection | 55mm |
| Rose Diameter | 52mm |
| Fixing Centres | 30mm |
| Door Compatibility | 44-45mm thick doors |
| Primary Material | Solid Brass |
Technical Excellence and Application
The design philosophy behind the Assa 640 series focuses on clean lines and functional superiority. By offering the option of cover plates to hide the bolt-through fixings, the manufacturer has ensured that the final appearance on the door is sleek, unobtrusive, and professional. This attention to detail is what sets Assa hardware apart in a competitive market.
We recommend these handles for any environment where the priority is durability. The internal mechanics, while simple in their execution, are incredibly reliable. Because there are fewer moving parts inside the handle assembly itself, the risk of failure is significantly reduced. This simplicity is exactly what makes the Assa 640 such a favoured choice for architects and contractors across the UK.
Specification
| Manufacturer | Assa |
|---|---|
| Finish | Satin Chrome |
| Fixing Centres (mm) | 30 |
| Backplate Dimensions | 52mm dia |
| DDA Compliant | No |

