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LEG5512
Legge 5512 51Mm Pb 5 Lever Mortice sash door lock
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5512 51mm Pb 5 Lever Mortice sash 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. |
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£88.37
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£73.64
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Description
Legge 5512 51Mm Pb 5 Lever Mortice sash door lock
When selecting the right hardware for your property, security and reliability remain the most critical factors for any homeowner or facility manager. The Legge 5512 51Mm Pb 5 Lever Mortice sash door lock represents a pinnacle of engineering excellence, designed to provide robust protection for internal and external doors. With a classic polished brass finish, this component seamlessly blends aesthetic appeal with heavy duty performance.
This lock is engineered to withstand the rigours of daily use in both residential and light commercial settings. By choosing this model, you are investing in a product that has been rigorously tested to meet stringent industry standards. Its internal mechanism ensures that the door remains securely latched, providing peace of mind for you and your family or business stakeholders.
The Science of Secure Locking Mechanisms
At the heart of this hardware lies a sophisticated five lever mechanism that offers a high degree of key security. Unlike simpler latching systems, the five lever design requires a specific matching key to align the internal levers, which physically blocks the bolt from retracting without authorisation. This mechanical precision is vital in preventing picking or manipulation attempts.
The physical forces involved in the operation of this sash lock are carefully balanced to ensure smooth engagement. When you insert the key and turn it, the torque applied is transferred through the cam to the bolt mechanism. This action is supported by internal springs that maintain constant tension, ensuring the bolt moves with a satisfying and consistent feel. The materials used in construction are chosen for their resistance to sheer force and environmental wear, ensuring the bolt remains rigid even under significant pressure.
Operational Workflow and User Interaction
Operating this item is designed to be intuitive and effortless for the end user. The sequence begins when the user approaches the door and inserts the key into the escutcheon. As the key turns, the levers move into a predetermined alignment, allowing the bolt to slide back into the lock body. This physical interaction is engineered to be as frictionless as possible, reducing the effort required to operate the door.
Once the door is closed, the latch bolt engages with the strike plate on the door frame. This provides a secure hold that keeps the door shut against casual wind or movement. When locking the unit, the deadbolt extends further into the keep, providing the primary layer of security. The transition between these states is smooth, reflecting the high manufacturing tolerances that define this product.
Ergonomics and Safety Compliance
Using high quality hardware such as this model significantly reduces physical fatigue. The ease of operation means that users of varying physical abilities can lock and unlock their doors without excessive strain on the wrist or hand. This is particularly important in environments where doors are accessed frequently throughout the day.
Furthermore, the design adheres to essential safety standards that govern the use of architectural ironmongery. By ensuring that the bolt engages fully and reliably, the lock helps maintain the structural integrity of the door assembly. This is crucial for compliance with fire safety regulations and building codes, where the ability to properly secure a door is a mandatory requirement for occupant safety.
Commercial ROI and Long Term Value
Investing in premium door furniture is a strategic decision that offers substantial long term value. While budget options may seem attractive initially, they often suffer from premature mechanical failure, leading to frequent replacement costs and increased security risks. By choosing this high grade component, you are opting for durability that minimises the need for maintenance or replacement cycles.
The polished brass finish is not only visually striking but also serves as a protective layer against corrosion and tarnishing. This longevity ensures that your doors maintain a professional appearance for years to come. For commercial properties, this reduces administrative overheads associated with building maintenance, allowing resources to be allocated more effectively elsewhere. Protecting your assets starts with the hardware that guards them, making this purchase a wise financial choice.
Key Features of the 5512 Sash Lock
- The five lever mechanism provides a high level of security against unauthorised entry.
- A polished brass finish offers a timeless aesthetic that complements a variety of door colours and styles.
- The 51mm backset size is ideal for standard door configurations, providing a versatile solution for new installations or replacement projects.
- Heavy duty internal components are built to resist wear and tear even in high traffic environments.
- The sash lock design includes both a latch and a deadbolt, providing two distinct ways to secure your entryway.
- Each unit is supplied with high quality keys, ensuring smooth operation right out of the box.
- The robust construction prevents component flex, ensuring that the lock remains reliable over thousands of cycles.
- Installation is straightforward for professional locksmiths or competent DIY enthusiasts.
Pro Tip: To maintain the pristine condition of the polished brass finish, we recommend regular cleaning with a soft, dry cloth. Avoid the use of abrasive chemicals or harsh solvents that could damage the protective lacquer layer and affect the long term appearance of your hardware.
Technical Specifications
Understanding the technical parameters of your hardware is essential for ensuring a perfect fit and optimal performance. The following table provides the detailed specifications for the Legge 5512 51Mm Pb 5 Lever Mortice sash door lock.
| Attribute | Specification |
|---|---|
| Product Name | Legge 5512 51Mm Pb 5 Lever Mortice Sash Lock |
| Backset | 51mm |
| Finish | Polished Brass |
| Mechanism | 5 Lever |
| Lock Type | Mortice Sash Lock |
| Material | Solid Brass and Steel Internal Components |
| Application | Internal and External Doors |
| Security Level | High |
| Key Operation | Double throw deadbolt |
Whether you are renovating a period property or upgrading the security of a modern office, this hardware provides the perfect balance of form and function. Its design philosophy prioritises the safety of the user and the integrity of the door assembly. By choosing this Legge 5512 51Mm Pb 5 Lever Mortice sash door lock, you are opting for a proven solution that has stood the test of time in the architectural hardware industry. Take the next step in securing your premises by integrating this high performance lock into your door configuration today.
Specification
| Manufacturer | Legge |
|---|---|
| Dimensions | 108 (H) x 51 (D) |
| Guarantee | 1 Year |
| Lock Type | Mortice Sashlock |
| Lock Operation | Lever |
| Lock Backset | 35mm |
| Lock Centres | 57mm |
| Follower Size (mm) | 8 |
| Faceplate Width | 25mm |
| Environmental Suitability | All |
| Mechanism | Sashlock |
| Door Material Suitability | Wood |
| Max Door Thickness (mm) | 50 |
| Forend Finish | Polished Brass |