Mechanical Combination Lock Atlo ATLO-KRMF-555 — keypadless coded cabinet/door lock

Atlo ATLO-KRMF-555 is a mechanical combination lock designed for securing cabinets, lockers and doors without relying on electronics or batteries. The lock uses a keyed-coded mechanical mechanism that allows a user to set and enter a combination manually. Its all-mechanical design provides a straightforward access-control solution for locations where electronic features are unnecessary or undesirable, offering long-term operation with minimal maintenance.

Advantages

The lock provides reliable mechanical security without the need for power or electronic components, reducing failure modes associated with batteries and circuitry. Its compact design is suitable for mounting on a variety of furniture and enclosure types, and the coded mechanism enables adjustable combinations for controlled access. The absence of a keypad and electronics simplifies installation and maintenance while providing durable, tamper-resistant function for everyday use.

Suitable for

• Office cabinets and desks
• Storage lockers and utility rooms
• Workshop cupboards and tool cabinets
• Doors on small enclosures and internal rooms

Key specifications

• Mechanical coded combination operation — no batteries or electronics
• Designed for cabinet, locker and internal door mounting
• Compact form factor compatible with standard furniture fittings
• Adjustable combination setting for authorized access control
• Durable metal construction for routine use

How to use

To operate the mechanical combination lock, set your chosen code following the manufacturer’s mechanical setting procedure and install the lock into the intended mounting location. Enter the combination using the mechanical controls and rotate or actuate the lock mechanism to open. After use, scramble or reset the mechanism as instructed to secure the cabinet or door. No electrical connections are required.

Usage recommendations

For reliable long-term operation, install the lock on solid mounting surfaces and follow the documented procedure for setting and changing the combination. Periodic inspection and light lubrication of moving parts will help maintain smooth mechanical action. Avoid exposure to prolonged moisture or corrosive environments to preserve metal components.