Schlage 09905118 Thumb Turn Cylinders, 1-1/8

The Schlage 09-905-118 Thumb Turn Cylinder provides a reliable, keyless locking option for a wide range of commercial door applications. Measuring 1-1/8 inches, this mortise-style thumb turn cylinder allows users to engage or disengage the lock from the secure side of the door without a key, making it ideal for interior rooms, restrooms, and spaces requiring quick manual operation. Built to Schlage's trusted standards, this component integrates cleanly with compatible mortise lock bodies and delivers smooth, dependable performance. Available in a left-hand configuration and durable finishes, it combines practical function with the long-lasting quality expected from Schlage hardware.

Features

• Keyless thumb turn operation for quick locking and unlocking from the secure side of the door.
• Compact 1-1/8 inch cylinder length designed for standard mortise lock applications.
• Mortise cylinder format that integrates with compatible Schlage mortise lock bodies.
• Left-hand (LH) configuration to suit specific door handing requirements.
• Durable construction engineered for consistent, long-term commercial use.

Functional Details

This thumb turn cylinder replaces a traditional keyed cylinder, letting the user lock or unlock the door by rotating the thumb turn rather than inserting a key. It threads into the mortise lock body and engages the internal locking mechanism directly.