LOB Z7ABL Mortise Lock, 72/55, Left, Zinc Plated

The LOB Z7ABL mortise lock is a robust and reliable security component engineered for cylinder-operated door systems. Designed with precision, this lock features a 72mm spacing and a 55mm backset, making it a versatile choice for a wide range of door types. The unit is specifically configured for left-handed door installations and is finished with a high-quality zinc plating, which provides excellent protection against corrosion and environmental wear, ensuring long-term operational stability.

Advantages

The primary benefit of the LOB Z7ABL mortise lock lies in its durable construction and precise mechanical engineering. The zinc-plated finish significantly enhances the lifespan of the lock by resisting rust and oxidation, even in varying humidity conditions. Its standardized dimensions allow for straightforward integration into existing door setups, while the smooth internal mechanism ensures consistent performance and ease of use for daily locking and unlocking tasks. This lock provides a dependable balance between security and functional longevity for both residential and commercial environments.

Suitable for

• Interior residential doors
• Exterior doors in protected areas
• Commercial office doors
• Replacement of standard mortise locks with 72/55 dimensions

When it may not be suitable

This lock is specifically designed for left-handed doors and cannot be easily converted for right-handed use. It is also not intended for high-security applications requiring specialized anti-drill or heavy-duty reinforced locking mechanisms.

Key specifications

• Spacing: 72mm
• Backset: 55mm
• Handing: Left
• Finish: Zinc plated
• Operation: Cylinder

How to use

To install the LOB Z7ABL mortise lock, ensure the door is prepared with the appropriate mortise cutout that matches the 72mm spacing and 55mm backset requirements. Insert the lock body into the door cavity and secure it using the provided mounting points. Once the lock is fixed, install the cylinder through the designated opening and secure it with the cylinder screw. Test the latch and deadbolt operation with the door open to ensure the mechanism moves freely before closing the door.

What to consider before purchase

• Verify the handing of your door to ensure it is left-handed
• Measure the existing door cutout to confirm compatibility with 72/55 dimensions
• Ensure your door thickness is compatible with standard mortise lock installations

Usage recommendations

Regularly inspect the lock mechanism and apply a small amount of dry lubricant if the movement becomes stiff. Avoid using oil-based lubricants that may attract dust and debris into the cylinder housing.