CORNI Kantrygiel Semi-Automatic Passive Leaf Bolt M8x1.25mm for Lock 1739

Product Overview

The Kantrygiel CORNI is a semi-automatic passive leaf bolt mechanism designed for double-leaf doors, commonly used in commercial and industrial facilities requiring secure secondary door locking. It is engineered for use with rod locks 1739 utilizing threaded rods with M8x1.25 mm threads, enabling integration into door assemblies that require controlled operation of the inactive leaf.

Distinguished by its automatic locking action during passive leaf closure, this model eliminates manual engagement steps and reduces user error risk at installation and in daily use. The manual release lever, integrated into the center plate housing, streamlines quick manual operation. These features make it well-suited for bulk procurement by metal door fabricators and industrial door OEMs seeking efficient, tamper-resistant passive leaf locking solutions.

Key Features

• Semi-automatic operation ? passive leaf locks automatically when closed, no manual locking action needed


• Rod compatibility ? accepts top and bottom rods with M8x1.25 mm thread for secure mechanical linkage


• Manual release lever ? central cassette-mounted handle enables easy unlocking of passive leaf


• Hold-open regulator ? built-in mechanism holds rods in open position until closure is required


• For rod lock 1739 ? compatible with lock sets requiring threaded rod connections


• Permanently concealed rods ? reduces tampering risk and enhances door appearance

Technical Specifications

• Type: Semi-automatic bolt mechanism for passive door wing


• Compatible Lock Model: 1739


• Rod Thread Specification: M8x1.25 mm


• Operation: Automatic locking, manual release lever

Applications

Designed for double-leaf metal or wooden doors in industrial, commercial, and warehouse environments. Used to secure passive (inactive) door leaves where durable, automatic locking and convenient manual release are required. Suitable for OEM door assembly lines and facility retrofits demanding a reliable, easy-to-integrate passive leaf security solution.

Packaging & Shipping

Standard export packaging. Unit includes bolt mechanism, integrated manual lever, and installation accessories.