Secure single leaf narrow stile aluminum doors with the Adams Rite MS1850S Series MS Deadlock. These units are ideal for use in narrow stile sliding aluminum doors within industrial, institutional and commercial buildings. Adams Rite 1850 deadlocks use a laminated stainless steel bolt to defeat forced entry attempts and ensure maximum security. Browse our inventory to find the right aluminum door deadlock for your building specifications. JMAC support specialists can help you find the right deadlock solutions for the precise needs of your business. Dial 516-812-0917 to get started.