Heavy-duty narrow stile deadlock hookbolt built for storefront and commercial aluminum doors — designed around the industry-standard MS prep

The Adams Rite MS1853A-350 is part of the MS® Maximum Security deadlock family — an industry standard for storefront and narrow stile aluminum door security. Featuring a laminated maximum-security hookbolt and a proven pivot mechanism, it’s built to stand up to heavy use and help resist forced-entry attempts.

Ideal for commercial aluminum storefront doors, retail, office applications, and facilities that require dependable security hardware.

Highlights

✅ MS® Maximum Security Deadlock Platform
✅ Designed for Narrow Stile Aluminum Doors
✅ Laminated Steel Bolt Construction
✅ Commercial Grade Durability
✅ Compatible with MS Prep Applications

⚠️ Lock body only — faceplate and cylinder sold separately.