Ansi Safety Steel Round Thumbturn Mortise Cylinder

KEYMAN Ansi Safety Steel Round Thumbturn Mortise Cylinder

The Thumbturn Mortise Cylinder is a core locking component that combines a thumbturn and a mortise cylinder, primarily used in door lock systems. Its key feature is the built-in thumbturn, which allows quick manual operation from the inside without a key, while the exterior retains key-operated functionality, ensuring both convenience and security.

Key Features

1. Dual Operation Modes

• Interior: The thumbturn allows direct rotation of the latch for quick door opening/closing.

• Exterior: Standard key operation for conventional locking.

2. Security Design

• Anti-pry structure: The cylinder is made of drill-resistant and pick-resistant materials (e.g., brass/steel components).

• Emergency egress function: The interior thumbturn enables instant unlocking, complying with fire safety regulations.

3. Compatibility

• Fits most standard mortise lock bodies, suitable for residential, office, hotel, and other applications.

4. Durability

• Surface plating (nickel/chrome) for corrosion and wear resistance.

• High-precision spring mechanism ensures smooth thumbturn operation.

Applications

• Interior doors: Bedrooms, bathrooms—enabling quick internal access.

• Commercial spaces: Office partitions, hotel rooms—balancing security and convenience.

• Emergency exits: Complies with safety regulations for rapid evacuation.

Installation & Maintenance

• Installation: Requires matching door thickness and lock body dimensions; professional locksmith recommended.

• Maintenance: Regular lubrication to prevent thumbturn stiffness.

Optional Configurations

• Thumbturn material: Metal (brass).

• Surface finishes: Satin nickel, stainless steel, satin chrome, etc.

Notes

• Ensure thumbturn direction (left/right-handed) matches the door during installation.

• For high-security applications, additional anti-theft locks are recommended.

Speciification