Commercial-Grade Thumb Turn | For Compatible Mortise Locks | Aluminum or Dark Bronze Finish

Provide convenient interior locking and unlocking with this Commercial-Grade Zinc Cylinder Thumb Turn, designed for use with compatible mortise lock and storefront door applications.

The thumb-turn design allows the lock to be operated from the interior without a key, making it a practical replacement or new-install component for commercial doors, aluminum storefront entrances, offices, and other controlled-access openings.

Available in Aluminum or Dark Bronze finishes to coordinate with common commercial door hardware.

Key Features

• Commercial-grade thumb-turn assembly

• Zinc construction

• Designed for compatible mortise lock applications

• Allows interior operation without a key

• Easy-to-grip thumb-turn design

• Suitable for commercial storefront and entrance doors

• Ideal for replacement, repair, and new installations

• Available in:

  • Aluminum Finish

  • Dark Bronze Finish

• Compact commercial hardware design

Mortise Lock Application

This thumb turn is designed to operate a compatible mortise cylinder or mortise lock mechanism from the interior side of the door.

Common uses include:

• Storefront deadlocks

• Mortise lock bodies

• Aluminum entrance doors

• Commercial glass doors

• Interior-controlled locking applications

Always verify the lock body, cylinder format, cam configuration, and required thumb-turn dimensions before ordering.

Common Applications

• Aluminum Storefront Doors

• Commercial Entrance Doors

• Mortise Locks

• Storefront Deadlocks

• Office Buildings

• Retail Entrances

• Warehouses

• Schools

• Institutional Facilities

• Commercial Door Repair

Product Specifications

Product Type: Cylinder Thumb Turn
Material: Zinc
Application: Mortise Lock / Mortise Cylinder
Operation: Interior Thumb Turn
Available Finishes: Aluminum / Dark Bronze
Use: Commercial
Installation: Replacement / New Installation

Important

This listing is for the thumb-turn component only unless otherwise specified.

Mortise cylinder, lock body, cam, mounting hardware, and other locking components are not included unless specifically stated.

Confirm compatibility with the existing mortise lock or cylinder before ordering.