LOADING IMAGES
High Security Thumbturn Cylinder Bonco 4622
Features a thumbturn on the inside.
Can be operated from the inside without a key.
Suitable for doors in offices, residences, commercial spaces, and other locations with frequent daily use.
Compared to standard key systems, this system is primarily positioned as a higher-security option.
BONCO’s official documentation clearly states:
“Passed 200,000 Cycle Test”
