Union Strongbolt 5 Lever Deadlock BS3621 Satin Chrome 63mm 2100S
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. |
See our full range:
Description
Union Strongbolt 5 Lever Deadlock BS3621 Satin Chrome 63mm 2100S
Securing your premises requires a hardware solution that balances mechanical precision with uncompromising structural integrity. The Union Strongbolt 5 Lever Deadlock BS3621 Satin Chrome 63mm 2100S represents the pinnacle of mortice lock engineering. Designed for high security applications, this model provides the peace of mind that comes from industry leading testing standards and robust material construction.
When you choose this locking mechanism, you are investing in a product that has been rigorously evaluated against physical attack. Whether you are upgrading the security of a residential home or a commercial office space, this item offers a seamless blend of performance and reliability. It is specifically engineered to function under the stresses of daily operation while maintaining its defensive capabilities for years to come.
Understanding the Mechanical Physics of Security
The internal mechanics of this deadlock involve a complex interaction of levers and springs that translate rotational torque from a key into linear movement. When you insert the key and rotate it, the lever pack aligns to allow the bolt to retract or extend. This process is engineered for minimal friction, ensuring that the user experiences a smooth operation every time the door is locked or unlocked.
Under side load testing, standard locks can often experience structural deflection or bolt binding. This particular model utilizes a chamfered bolt design that mitigates these forces effectively. By distributing the pressure across the surface area of the bolt, the design prevents the lock from binding against the striking plate even if the door experiences seasonal movement or minor frame misalignment. This structural resilience ensures that the security remains intact even when external environmental factors attempt to compromise the alignment of the door components.
Step by Step Operational Workflow
Interacting with this locking system is designed to be intuitive and efficient. The following sequence describes the standard operational workflow for a user accessing a door secured by this hardware.
- First, the user aligns the key with the keyhole on the exterior or interior side of the door.
- Second, the user applies gentle rotational pressure to turn the key, which moves the internal levers into the correct alignment.
- Third, as the levers align, the gate mechanism releases the bolt, allowing it to slide smoothly out of the mortice case and into the striking plate.
- Fourth, the user completes the rotation until the bolt is fully extended, ensuring that the 20mm deadbolt is locked in a positive position for maximum engagement.
- Finally, the user removes the key, leaving the door secured against unauthorized entry from either side.
This streamlined process reduces the risk of mechanical jam and ensures that the hardware can be operated quickly in emergency situations or during daily transit. The precision engineering inside the case ensures that the key does not encounter resistance, which prevents premature wear on the key bitting and the internal components of the lock.
Ergonomic Health, Safety and Compliance
Beyond simple security, this deadlock contributes to a safer environment by meeting strict fire safety and building regulations. Because it is Certifire approved and suitable for 30 and 60 minute fire doors, it ensures that your security hardware does not become a liability during a building evacuation. Using high quality hardware also reduces physical fatigue for the user, as the smooth action requires less manual force to operate.
Compliance with BS3621 standards means that the product is officially recognised by insurance providers as meeting the requirements for high security doors. By installing this item, property owners can often lower their insurance premiums, as the hardware is proven to resist common methods of forced entry including picking, drilling, and sawing. This level of compliance protects the building occupants and the assets contained within, ensuring that health and safety standards are upheld in every commercial or residential setting.
Commercial ROI and Long Term Value
Investing in premium door hardware is a strategic decision for any business or homeowner. While cheaper alternatives may seem attractive initially, they often fail under the stress of constant use, leading to frequent replacement cycles and potential security breaches. This model is designed to withstand thousands of cycles, significantly reducing the total cost of ownership over time.
By preventing unauthorized access, this deadlock safeguards your physical assets, inventory, and sensitive documentation from theft. The durable steel construction, protected by a high quality satin chrome finish, resists corrosion and environmental degradation, maintaining its aesthetic appeal and mechanical function in high traffic areas. This reliability reduces the administrative burden of managing maintenance requests and lock repairs, allowing you to focus on your core activities with the confidence that your perimeter security is handled by a trusted industry standard product.
Key Features and Technical Specifications
This lock is packed with advanced features that make it a standout choice for any door. The inclusion of anti-pick and anti-drill security features ensures that even experienced intruders will struggle to bypass the mechanism. Furthermore, the hardened steel pins integrated into the design provide exceptional resistance against sawing attacks, which is a critical vulnerability in lesser quality locks.
Technical Specifications
| Feature | Specification |
|---|---|
| Lock Type | 5 Lever Mortice Deadlock |
| Standards | BS3621:2007 |
| Case Size | 68mm (2.5 inch) |
| Backset | 45mm |
| Faceplate Dimensions | 134mm x 26mm |
| Case Height | 88mm |
| Finish | Satin Chrome |
| Fire Rating | 30 and 60 minute |
| Security Features | Anti-pick, anti-drill, anti-saw |
Not sure if this mortice lock is right for your requirements? If you are not sure if this mortice lock is right for your requirements please contact our friendly team today.
The installation process is equally well considered. With a radius inner forend, the lock is designed for ease of installation, fitting into many existing UK mortices without the need for additional carpentry or spoiling the edge of the door. This versatility makes it an excellent choice for replacement projects where minimizing disruption to the door leaf is a priority.
The 20mm deadbolt provides a substantial level of engagement with the door frame, creating a secure connection that is difficult to force open. Supplied with two keys, this item is ready for immediate installation and use. Whether you are securing a timber door hinged on the left or the right, this flexible deadlock will provide the reliable, long term security that you demand. Do not settle for anything less than the best protection for your property. Choose this proven solution to secure your home or business against the risks of the modern world.
Specification
| Manufacturer | Union |
|---|---|
| Dimensions | 89 (H) x 68 (D) |
| Guarantee | 10 Year |
| Lock Type | Mortice Deadlock |
| Lock Operation | Lever |
| Lock Backset | 45mm |
| Follower Size (mm) | 0 |
| Faceplate Width | 26mm |
| Environmental Suitability | All |
| Mechanism | Dead Lock |
| Door Material Suitability | Wood |
| Max Door Thickness (mm) | 54 |
| Forend Finish | Chrome |
| Security Standards | BS3621:2007 |


