LOB TB51 Surface-Mounted Cylinder Lock Graphite 50mm Bolt for 32?64mm Doors

Product Overview

The LOB TB51 surface-mounted cylinder lock is designed for use on residential and light commercial doors with thicknesses between 32 mm and 64 mm. It features a 50 mm sliding bolt mechanism and a steel body and strike plate, both finished with durable powder coating for enhanced corrosion resistance.

The primary differentiating feature of the TB51 model is its one-cylinder design combined with a 50 mm bolt throw, simplifying installation on interior and exterior doors in retrofit and new-build scenarios. Procurement managers and contractors handling multi-unit residential projects will find it especially suited for bulk installation where uniform, tamper-resistant locking is required.

Key Features

• One-cylinder mechanism ? simplifies key management for tenants and facility staff


• 50 mm sliding bolt ? provides physical security against forced entry


• Powder-coated steel body ? resists corrosion and wear in humid or high-traffic environments


• Compatible door thickness ? fits doors from 32 mm to 64 mm without additional spacers


• Strike plate included ? ensures correct installation and secure locking


• Galvanized finishes available ? specialty coatings can be ordered for project-specific needs


• Supplied with 3 cut keys ? ready for immediate deployment in multi-door installations

Technical Specifications

• Lock Type: Surface-mounted cylinder lock


• Bolt Throw: 50 mm


• Body Material: Stamped steel, powder-coated


• Strike Material: Stamped steel, powder-coated


• Door Thickness Compatibility: 32 mm ? 64 mm


• Keys Included: 3 cut keys


• Color: Graphite

Applications

Typically installed on residential entrance doors, multi-unit apartment common entrances, utility room doors, and interior office doors requiring moderate physical security. Suitable for both new construction and retrofit projects. Particularly used in bulk procurement scenarios where quick installation and uniform locking are required.

Packaging & Shipping

Standard export packaging. Each unit contains the lock body, strike plate, and three cut keys with mounting hardware included.