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Guardian G4050 76Mm S.Steel Mortice Door Latch
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Guardian G4050 76Mm S.Steel Mortice Door Latch
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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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£17.52
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£14.60
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Description
Guardian G4050 76Mm S.Steel Mortice Door Latch
When you select hardware for your property, the internal mechanism is often the most critical component for long-term reliability. The Guardian G4050 76Mm S.Steel Mortice Door Latch offers an exceptional balance of mechanical precision and robust construction. Engineered to provide seamless interaction between your door and frame, this piece of equipment serves as the invisible backbone of a secure and functional living or working environment.
At Doorfit, we understand that professional contractors and dedicated homeowners alike require components that withstand the rigours of daily use. This model has been refined to ensure that every engagement with your door feels smooth and deliberate. Whether you are outfitting a busy commercial office or securing the interior rooms of a private residence, this latch provides the consistency you need to maintain privacy and structural integrity.
Choosing the right mortice latch is not just about aesthetics. It is about investing in a component that mitigates the risk of door sag, handle drooping, and eventual mechanical failure. The Guardian G4050 is designed for those who prioritise performance and longevity above all else.
Mechanical Physics and Operational Excellence
The internal geometry of this latch is a testament to sound engineering principles. When you operate a handle, you are transferring rotational torque into linear motion, which retracts the latch bolt against a spring load. This model utilises high-tension internal springs that maintain optimal resistance without feeling overly stiff to the hand.
This design prevents the latch bolt from dragging or catching during the closure sequence. By reducing frictional resistance, the internal components experience less metal-on-metal wear over time. The structural housing is crafted to remain rigid under stress, ensuring that the bolt path remains perfectly aligned even if the door experiences slight fluctuations in humidity or temperature.
Step-by-Step Operational Workflow
Understanding how this device integrates into your daily life reveals the true quality of the craftsmanship. The following steps outline the physical interaction process that occurs every time you enter or exit a room.
- When the door is in the closed position, the hardened latch bolt remains firmly seated within the strike plate of the door frame.
- The user applies downward pressure to the lever or rotation to the knob, which initiates the movement of the internal spindle.
- This internal motion compresses the heavy-duty spring mechanism within the casing, drawing the latch bolt back into the door edge.
- As the user releases the pressure, the stored potential energy in the spring pushes the bolt back to its default position as the door engages with the frame.
- This creates a satisfying, secure click that confirms the door is properly closed and held in place.
Ergonomic Health and Compliance
Safety and ergonomic health are often overlooked in the selection of door hardware. A latch that requires excessive force to operate can cause strain on the joints of the hand and wrist over prolonged periods. By engineering this unit with fluid, low-friction internal surfaces, the effort required for operation is kept to a minimum.
This is particularly important in commercial spaces where doors are opened hundreds of times per day. Furthermore, the Guardian G4050 76Mm S.Steel Mortice Door Latch meets rigorous standards for quality and security. It ensures that doors latch correctly every time, which is a fundamental requirement for fire door safety protocols and general building compliance.
Commercial ROI and Long Term Value
Investing in premium hardware such as this provides a clear return on investment through reduced maintenance overheads. Cheaper, low-grade latches often suffer from spring fatigue or casing failure, leading to expensive door repairs and frustrating user experiences. By selecting this high-grade stainless steel unit, you minimise the need for replacements and simplify the long-term upkeep of your property.
The inherent corrosion resistance of the stainless steel exterior ensures that the hardware remains functional and aesthetically pleasing, even in humid environments like bathrooms or coastal properties. This longevity protects your asset value and provides peace of mind that your investment will remain operational for many years to come.
Technical Specifications
To assist with your installation, we have compiled the following technical parameters for this hardware. Please ensure that your door thickness and style are compatible with these measurements before starting your project.
| Feature | Specification |
|---|---|
| Product Name | Guardian G4050 76Mm S.Steel Mortice Door Latch |
| Backset Size | 57mm standard |
| Case Depth | 76mm |
| Material | High-grade Stainless Steel |
| Finish | Satin Stainless Steel |
| Application | Internal residential and commercial doors |
| Compatibility | Standard handle sets and lever furniture |
Installation Tips for Professionals
When installing this mortice latch, precision is the key to success. Start by ensuring that the pocket morticed into the door edge is deep enough to accommodate the full 76mm depth of the casing. Use a sharp chisel to clean out the corners of the mortice, which ensures that the faceplate sits flush against the edge of the door.
A flush fit prevents the hardware from catching on the door frame, which helps protect the door finish. We recommend using the provided screws to secure the faceplate firmly. If you are working with hardwood, it is advisable to drill pilot holes to prevent the wood from splitting. Once the installation is complete, test the action of the latch several times to ensure it retracts fully without resistance.
Should the latch bolt not engage the strike plate perfectly, adjust the position of the strike plate on the door frame. Small, incremental adjustments can make a significant difference in the smoothness of the final action. If you require further assistance or wish to explore our wider range of door furniture, we invite you to browse the complete catalogue on our website.
The Guardian G4050 76Mm S.Steel Mortice Door Latch represents a standard of quality that Doorfit is proud to supply. By choosing this model, you are ensuring that your doors operate with precision and reliability. Enhance your space with hardware that prioritises both function and durability.
Order your new latching mechanism today to experience the difference in performance and build quality. Should you have any questions regarding the suitability of this item for your specific project, our team is always ready to provide expert guidance and support.
Specification
| Manufacturer | Imperial |
|---|---|
| Guarantee | 10 Year |
| Lock Backset | 57mm |
| Follower Size (mm) | 8 |
| Faceplate Width | 25mm |
| Mechanism | Latch |
| Door Material Suitability | Wood |
| Forend Finish | Stainless Steel |