Apply Discount Code
CHU3G114067SC
Union 3G114E 5 Lever Deadlock 67mm Satin BS3621 (Chubb At Heart)
Main image
Click to view image in fullscreen
![]()
Union (Chubb At Heart) B-3G114E 67mm Satin 5 Lever Bs 3K Deadlock Door Lock
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. |
View Delivery Information
£75.00
Incl. VAT
£62.50
Excl. VAT
Incl. VAT
Excl. VAT
Incl. VAT
Excl. VAT
Price is for/per each
-
+
See our full range:
Description
Union 3G114E 5 Lever Deadlock 67mm Satin BS3621 (Chubb At Heart)
Securing your premises requires hardware that balances robust engineering with reliable daily operation. The Union 3G114E 5 Lever Deadlock 67mm Satin BS3621 (Chubb At Heart) represents a pinnacle of traditional locking craftsmanship, updated to meet the rigorous security demands of modern insurance providers and the Police. When you choose this particular locking mechanism, you are investing in a legacy of protection that prioritises structural integrity above all else.
This deadlock is designed for those who refuse to compromise on the safety of their homes or commercial properties. It serves as a formidable barrier against unauthorised entry, utilising advanced material science to resist common forced entry techniques. Whether you are upgrading your current security or fitting a new timber door, this unit provides the peace of mind that comes from industry-leading standards.
Mechanical Physics and Structural Integrity
The core of this locking system relies on precise mechanical physics to maintain security. When the key is turned, the internal five-lever mechanism aligns perfectly, allowing the bolt to slide into the keep with absolute precision. The brass deadbolt is reinforced with hardened steel rollers, a design choice that is critical for defeating saw attacks. Because these rollers spin when contacted by a hacksaw blade, the tool cannot gain a purchase on the bolt, effectively neutralising the threat.
The resistance to physical force is further enhanced by the anti-drill and anti-pick features integrated into the case. These components work together to ensure that the internal levers cannot be manipulated or bypassed by intruders. The silver powder coated steel case provides a rigid housing that maintains the alignment of the internal components, even under significant lateral pressure. This prevents the lock from flexing or warping, which is a common point of failure in inferior hardware.
Operational Workflow and User Experience
Operating this deadlock is a fluid and intuitive process that reflects high-quality manufacturing tolerances. To secure your door, you simply insert the key into the escutcheon and turn it through the required rotation. You will notice a smooth, weighted feedback that indicates the deadbolt is engaging fully with the striking plate. This positive tactile response ensures that the user knows exactly when the door is locked, reducing the risk of accidental incomplete engagement.
The inclusion of three high-quality keys allows for convenient distribution among family members or staff. Because the operation is identical from both sides of the door, users experience no confusion or hesitation during egress or ingress. The 20mm bolt throw provides a deep engagement with the frame, creating a structural connection that is difficult to breach through door spreading or similar physical attacks. Every movement of the key is supported by internal springs calibrated to provide just enough resistance to feel secure, without requiring excessive physical force from the user.
Ergonomics and Safety Compliance
Safety in a professional or residential environment is not merely about preventing theft, but also about ensuring that security hardware does not become a point of failure for the occupants. This model is engineered to be compliant with BS3621 standards, which is a key requirement for many insurance policies. By choosing hardware that meets these stringent criteria, you are ensuring that your property remains compliant with the latest security regulations.
The ergonomic design of the escutcheons and the smooth finish of the satin chrome plating make the hardware pleasant to touch and easy to maintain. From a safety perspective, the reliability of this lock means you are less likely to encounter jams or mechanical failures that could leave you locked out or unable to secure your premises. The consistent performance of the internal levers ensures that the lock remains easy to operate over many years, reducing the physical strain associated with stiff or poorly manufactured locking mechanisms.
Commercial ROI and Long Term Value
Investing in a high-quality Union 3G114E 5 Lever Deadlock 67mm Satin BS3621 (Chubb At Heart) is a strategic decision for any property owner. While cheaper alternatives may appear attractive initially, the cost of replacing failed hardware or dealing with the aftermath of a security breach far outweighs the upfront price of premium equipment. This deadlock is built for longevity, with materials selected specifically to withstand the test of time and heavy daily usage.
By choosing this item, you reduce the administrative and operational overheads associated with security maintenance. The durability of the finish means that the hardware will continue to look professional on your doors for years, maintaining the aesthetic value of your property. Furthermore, the insurance approval status often qualifies property owners for lower premiums, providing a tangible financial return on your initial investment. This is not just a lock, but a long-term asset protection solution that guards your physical and financial interests.
Key Features and Security Specifications
- This unit is officially approved by major insurance companies and the Police through the Secured by Design initiative.
- The hardened steel rollers embedded in the brass deadbolt provide excellent resistance against sawing attempts.
- Advanced internal mechanisms are designed to be anti-pick and anti-drill for maximum security.
- The 20mm bolt throw ensures deep and secure engagement with the door frame for superior strength.
- The package includes one plain escutcheon and one escutcheon with a cover plate for a clean aesthetic finish.
- You receive three keys with every unit to ensure you have adequate spares for your household or office.
- A comprehensive 25-year guarantee is included, reflecting the manufacturer's confidence in the build quality.
- The satin chrome finish provides a modern look while offering excellent resistance to corrosion and wear.
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.
Technical Specifications
| Feature | Specification |
|---|---|
| Case Size | 67mm (2.5 inch) |
| Backset | 40mm |
| Faceplate Dimensions | 133mm x 25mm |
| Case Height | 77mm |
| Bolt Material | Brass with hardened steel rollers |
| Finish | Satin chrome plated forend |
| Standards | BS3621:2007 approved |
| Security Level | High (Insurance approved) |
| Guarantee | 25 Years |
We understand that selecting the right door hardware can be a complex task, especially when balancing security requirements with aesthetic preferences. This Union 3G114E 5 Lever Deadlock 67mm Satin BS3621 (Chubb At Heart) is a versatile choice that suits a wide range of timber door applications, whether in a heritage home or a contemporary office building. Its performance is unmatched, and its reputation in the industry is built on decades of successful use across the United Kingdom.
By choosing Doorfit, you are sourcing from a team that values quality and customer satisfaction. We are here to support your security journey from selection to installation. If you require further guidance on door preparation or installation best practices, our experts are available to provide the technical insights you need to get the job done correctly. Secure your premises with confidence and rely on the best hardware available on the market today.
Specification
| Manufacturer | Union |
|---|---|
| Dimensions | 77 (H) x 67 (D) |
| Guarantee | 25 Year |
| Lock Type | Mortice Deadlock |
| Lock Operation | Lever |
| Lock Backset | 40mm |
| Follower Size (mm) | N/A |
| Faceplate Width | 25mm |
| Environmental Suitability | All |
| Mechanism | Dead Lock |
| Door Material Suitability | Wood |
| Max Door Thickness (mm) | 50 |
| Forend Finish | Chrome |
| Security Standards | BS3621:2007 |