Siba 10055-20 Mortise Lock without Cylinder

The Siba 10055-20 mortise lock is a high-quality security component engineered for reliable door locking in various settings. This robust mechanism is designed to be installed within the door frame, offering a stable and secure solution for both residential and commercial properties. By being supplied without a cylinder, this lock provides the flexibility to choose a locking mechanism that best fits your specific security requirements and existing key systems.

Advantages

This mortise lock stands out due to its durable construction and precise engineering, which ensure smooth operation and long-term reliability. The design focuses on structural integrity, making it a dependable choice for doors that require consistent security. Its compatibility with various cylinder types allows for easy customization, enabling users to upgrade or replace their locking hardware without needing to replace the entire mortise assembly.

Suitable for

• Residential interior and exterior doors
• Commercial office doors
• Replacement of existing mortise locking mechanisms
• Doors requiring flexible cylinder selection

When it may not be suitable

This lock is not suitable for doors that require a pre-installed cylinder or specific integrated locking systems. It is also not intended for use on doors with dimensions that are incompatible with the 20 mm backset specification.

Key specifications

• Backset: 20 mm
• Type: Mortise lock
• Cylinder inclusion: Not included
• Application: Residential and commercial doors

How to use

To install the Siba 10055-20, ensure the door edge is properly prepared with a mortise cutout that matches the dimensions of the lock body. Insert the lock into the cavity and secure it using the provided mounting points. Once the lock is fixed in place, install your chosen cylinder through the designated opening and secure it with the appropriate retaining screw. Test the latch and bolt movement before fully closing the door to ensure smooth operation.

What to consider before purchase

• Verify the backset measurement of your door is 20 mm
• Ensure you have a compatible cylinder ready for installation
• Check the door thickness to ensure the lock fits correctly
• Confirm if the door frame strike plate is compatible with this model

Usage recommendations

Regularly inspect the lock mechanism for debris and apply a light lubricant to the moving parts annually to maintain smooth performance and extend the lifespan of the hardware.