LOB TB51 Surface-Mounted Cylinder Lock 50mm Brown 3 Precision-Cut Keys

Product Overview

The LOB TB51 surface-mounted cylinder lock provides secure bolt locking for residential and light commercial doors, featuring a 50 mm single-cylinder mechanism. Commonly installed on interior or exterior doors with a thickness range of 32-64 mm, it is suited for projects requiring retrofitting or additional locking without door replacement. Powder-coated stamped steel casing and catch ensure durability in standard environmental conditions.

A key differentiator of the TB51 is its inclusion of three precision-cut keys with each unit, which reduces procurement complexity for facility managers and maintenance teams responsible for immediate access control at installation. This makes the lock particularly suited for bulk residential upgrades and multi-unit housing renovation where seamless replacement and key distribution is required.

Key Features

• Single-cylinder mechanism ? 50 mm bolt lock provides secure closure


• Powder-coated steel body ? enhanced corrosion resistance for interior/exterior mounting


• Compatible with door thickness 32-64 mm ? flexible installation range covers common door sizes


• Stamped steel catch ? robust door engagement and tamper resistance


• 3 precision-cut keys included ? simplifies on-site access provisioning


• Surface mount design ? allows installation without door modification


• Galvanic finishes available by special order ? custom options for OEM projects

Technical Specifications

• Lock Type: Surface-mounted cylinder lock


• Bolt Size: 50 mm


• Door Thickness Compatibility: 32-64 mm


• Body Material: Powder-coated stamped steel


• Catch Material: Powder-coated stamped steel


• Keys Included: 3 precision-cut keys


• Finish: Powder-coated brown


• Custom Finish: Galvanic finishes available on request

Applications

Suitable for residential apartment doors, interior and exterior doors in light commercial properties, building renovations, and retrofit scenarios where supplementary locking is required. Compatible with multi-unit housing upgrades and bulk procurement for property management.

Packaging & Shipping

Standard export packaging. Each unit includes the lock body, matching catch, three cut keys, and mounting hardware.