LOB 72/55 WC Mortise Lock Yellow Zinc 200,000 Cycles Universal Left/Right Fit

Product Overview

The LOB 72/55 WC mortise lock is built for both interior and exterior doors and is suitable for residential, commercial, and institutional settings such as homes, schools, offices, and various public facilities. With a universal (L/R) fit, the lock accommodates doors weighing up to 100 kg and is the result of Polish manufacturing standards, supporting reliable performance across a wide range of building types.

This SKU is differentiated by its laboratory-tested durability, rated for 200,000 operating cycles, offering long-term functional assurance that reduces maintenance risk and replacement costs for facility managers and bulk procurement projects. This makes it particularly suited for installation in high-traffic public and institutional buildings where longevity and reliability are key compliance criteria.

Key Features

• Universal left/right fit ? suitable for both door orientations without modification


• Tested durability ? certified for 200,000 operating cycles in laboratory conditions


• Door compatibility ? for internal and external doors up to 100 kg mass


• WC function ? supports bathroom or WC door privacy requirements


• Corrosion-resistant yellow zinc plating ? enhances longevity in varied environments


• Supplied with strike plate and screws ? reduces procurement and installation delays


• Polish-made ? consistent production quality for institutional projects

Technical Specifications

• Type: Mortise lock


• Backset: 55 mm


• Center-to-center distance: 72 mm


• Maximum door weight: 100 kg


• Tested durability: 200,000 cycles


• Handing: Universal (left/right)


• Finish: Yellow zinc plated


• Intended use: Internal and external doors


• Country of manufacture: Poland

Applications

Suitable for residential houses, institutional buildings (schools, offices, government buildings), and public facilities requiring robust and low-maintenance door hardware. Compatible with both WC/bathroom and standard passage doors in high-traffic areas or where a reliable privacy function is needed. Supports retrofitting and new installations across a range of door types up to 100 kg.

Packaging & Shipping

Standard export packaging with each unit including the mortise lock, strike plate, mounting screws, and installation manual.