WILKA 1438 Main Mortise Lock 92/35 Stainless Steel Heavy Duty 200,000 Cycles

Product Overview

The WILKA 1438 92/35 main mortise lock is engineered for both external and internal doors, suitable for environments such as public buildings and heavy-use access points. Featuring a reversible L/R design, it addresses the needs of doors exceeding 200 kg, integrating robust materials like a stainless steel faceplate and die-cast, nickel-plated latch and bolt. Its construction supports long-term durability, with a tested endurance of 200,000 cycles at a 25N latch load.

What sets the WILKA 1438 apart is its certified durability rating, ensuring consistent operation even in demanding high-traffic conditions. This eliminates premature lock failure and reduces maintenance costs in intensive-use facilities. Commercial procurement for schools, hospitals, and offices needing reliable, high-duty locks on heavy doors will find this model particularly well-suited.

Key Features

• Universal reversible L/R design ? allows flexible installation for left- or right-handed doors


• Certified endurance 200,000 cycles ? supports high-traffic installations without accelerated wear


• Stainless steel faceplate ? corrosion resistance for external and indoor use


• Nickel-plated die-cast latch and bolt ? improved strength and longevity against frequent use


• Suitable for doors over 200 kg ? accommodates heavy and solid-core door panels


• Public facility grade ? designed for demanding environments such as schools, hospitals, and office buildings

Technical Specifications

• Lock Type: Mortise main lock with lever


• Backset: 35 mm


• Center Distance (PCD): 92 mm


• Faceplate Material: Stainless steel


• Faceplate Dimensions: 24x245 mm


• Latch/Bolt Material: Die-cast, nickel-plated


• Durability: 200,000 cycles (at 25N latch load)


• Handing: Universal (left/right reversible)


• Suitable Door Weight: Above 200 kg

Applications

Ideal for installation in high-traffic public use facilities, including educational, healthcare, and commercial office environments. Suitable for both external and internal doors, especially on heavy or solid-core doors exceeding 200 kg. Addresses new build and retrofit needs for durable, high-duty locking in compliance-sensitive sectors.

Packaging & Shipping

Standard export packaging. Unit includes the lock body, faceplate, and installation accessories.