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ASS-256
Assa 256 Classic Thumbturn Set Satin Chrome
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to suit modular locks
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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£68.89
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Description
Assa 256 Classic Thumbturn Set Satin Chrome
Securing your commercial or residential property requires hardware that balances aesthetic elegance with uncompromising mechanical integrity. The Assa 256 Classic Thumbturn Set Satin Chrome represents a pinnacle in door hardware engineering. Designed specifically to integrate with the renowned Assa Connect and Modular lock families, this accessory set provides a seamless interface between your security system and daily user interaction.
Crafted from premium solid brass, this equipment is built to withstand the rigours of high traffic environments. Whether you are outfitting a modern office complex or upgrading the internal security of a heritage building, this model offers the reliable performance that professionals expect from the Assa brand. Its satin chrome finish provides a sophisticated, modern appearance that resists fingerprints and minor surface abrasions, ensuring that your door furniture maintains its visual appeal over years of heavy use.
Unrivalled Mechanical Engineering and Material Integrity
The physical forces acting upon door furniture are often overlooked until a failure occurs. When you install this hardware, you are investing in a system that manages rotational torque and tension with exceptional precision. The internal spindle mechanism is engineered to transfer force from the thumbturn to the lock case without binding, stuttering, or developing excessive play over time. This reduces the mechanical stress on the inner components of your mortice lock, extending the life of the entire door assembly.
- The solid brass construction ensures that the unit remains rigid under constant operational pressure so it never bends or warps during regular door closure cycles.
- Precision machined threads on the bolt through fixings provide a secure, vibration resistant connection that stays tight even in busy, high frequency doorways.
- The satin chrome plating process involves industrial grade electroplating to ensure the outer layer resists corrosion from humidity or airborne contaminants in industrial settings.
- The internal movement is designed to mitigate the effects of friction, meaning the thumbturn operates with a fluid, consistent resistance that provides clear tactile feedback to the user.
Operational Workflow for Daily Security Management
Understanding how the user interacts with this thumbturn set is essential for ensuring smooth daily operations. When a user approaches the door from the inside, the ergonomic design of the thumbturn allows for quick, intuitive engagement. The process begins by placing a thumb and forefinger on the contoured grip surface. A smooth, 90 degree rotation generates sufficient torque to retract the latch or engage the deadbolt, depending on the specific lock configuration you have installed.
This workflow is purposefully designed to be accessible for individuals of all physical abilities. The lever action removes the need for fine motor control or complex gripping motions, making it an excellent choice for healthcare facilities or care homes where ease of operation is a critical requirement. By standardising this movement across your building, you ensure that employees, residents, and visitors can secure their environments efficiently without frustration.
Ergonomic Benefits and Operational Compliance
Safety in the workplace is not just about locking a door, it is about how the hardware facilitates that action under pressure. During a fire evacuation or a high stress scenario, the intuitive nature of this hardware reduces the likelihood of panic or delay. The ergonomic design ensures that even someone experiencing physical fatigue or reduced dexterity can operate the mechanism with minimal force.
Furthermore, by choosing a product that complies with standard door thickness requirements of 44 to 45 millimetres, you ensure that the installation remains secure and compliant with fire door regulations. Properly fitted hardware prevents the accumulation of dust or debris within the mechanism, which is a key factor in long term health and safety compliance. We focus on providing solutions that meet these rigorous standards without compromising on the architectural style of your project.
The Economic Case for Premium Hardware Investments
When selecting door furniture, the initial purchase price is only one component of the total cost of ownership. Choosing a robust, high quality set like this ensures that you avoid the hidden costs associated with frequent replacements, lock malfunctions, and emergency maintenance visits. When door hardware fails, it can lead to security breaches or facility downtime, both of which are significantly more expensive than the cost of specifying premium components from the outset.
The long term value of this item is found in its durability and the consistency of the Assa manufacturing standard. Because these components are designed to work together as a cohesive system, you minimise the risk of misaligned parts or broken spindles. This creates a predictable maintenance schedule for your facilities management team, allowing them to focus on other critical areas of infrastructure rather than constantly repairing faulty door furniture.
Not sure if this Assa Accessory set is right for your requirements? If you are not sure if this Assa accessory set is right for your requirements please contact our friendly team today.
Technical Specifications
The following table outlines the key physical and performance parameters for this hardware set. Please ensure your current door thickness and lock case type align with these requirements before purchase.
| Feature | Specification |
|---|---|
| Material Composition | Solid Brass |
| Finish | Satin Chrome |
| Compatible Locks | Assa Connect and Modular series |
| Door Thickness | 44mm to 45mm |
| Fixing Method | Bolt through fixings included |
| Available Sizes | 11mm, 13mm, 16mm, and 18mm |
| Package Contents | Thumbturn, spindle, screws, and exterior cylinder ring |
Integration and Installation Advice
Installing this hardware requires basic technical knowledge of door furniture assembly. We recommend ensuring that your cylinder is already positioned correctly within the Assa lock case before attempting to mount the thumbturn set. Because the cylinder is sold separately, you have the flexibility to match the specific security rating required for your door.
Once the cylinder is in place, the exterior cylinder ring should be seated flush against the door face. The bolt through fixings pass through the door leaf to engage with the internal side, providing a solid, sandwich style mounting. This configuration is vastly superior to surface mounted screws, as it prevents the hardware from being pulled away or twisted by unauthorised attempts to access the mechanism.
Our team at Doorfit is committed to helping you find the perfect hardware for your specific project needs. Whether you are dealing with a standard commercial installation or a custom project that requires specific sizing, our technical experts are available to guide you through the selection process. Do not hesitate to reach out if you have questions regarding the compatibility of this thumbturn set with your existing Assa hardware collection.