Lockwood 3571SC 3571 Mortice Deadlock Primary Lock 60mm Backset 

Engineered for demanding environments across commercial, institutional, and hospitality sectors, the Lockwood 3571SC delivers robust security performance.

This mortice deadlock features a substantial 19mm stainless steel bolt and is constructed from premium materials to withstand rigorous daily use in offices, schools, hospitals, and similar facilities.

The versatile primary lock design accommodates multiple deadlocking functions—controlled by key externally and turnknob or key internally—securing the door upon closure.

Its compatibility with Lockwood cylinder escutcheons, turnknobs, and plate furniture ensures seamless integration into existing hardware systems.