LOB 90/50 Mortise Cylinder Lock Universal Left/Right Yellow Zinc Plated 100kg

Product Overview

The LOB 90/50 mortise cylinder lock with yellow zinc plating is a universal left/right model for external and internal doors. With a tested durability of 200,000 cycles, it supports door weights up to 100 kg and is suitable for use in residential homes, schools, offices, and institutional buildings.

The main distinguishing feature of this lock is its bidirectional (left/right) universal design, reducing procurement complexity by consolidating inventory for varied door orientations. This lock is particularly well-suited for facility managers, institutional buyers, and bulk procurement projects in public buildings that require uniform hardware.

Key Features

• Universal left/right design ? fits both left- and right-hand doors, reducing SKU count


• Tested for 200,000 cycles ? ensures long-term performance in high-traffic applications


• Suitable for door weights up to 100 kg ? meets needs of standard interior and exterior doors


• Yellow zinc plated ? corrosion-resistant finish enhances durability


• Complete installation kit ? includes strike plate, screws, and mounting instructions


• Polish manufactured ? domestic production guarantee

Technical Specifications

• Lock type: Mortise cylinder


• Center distance: 90 mm


• Backset: 50 mm


• Door weight capacity: up to 100 kg


• Cycle tested: 200,000 cycles


• Finish: Yellow zinc plated


• Handing: Universal (left/right)

Applications

Used for securing internal and external doors in residential homes, schools, offices, and public institutions. Appropriate for environments with moderate to high traffic, installation in new builds or renovations, and bulk institutional specification requiring long-service hardware.

Packaging & Shipping

Standard export packaging. Each unit includes the lock body, strike plate, screws, and installation manual.