Description
The MS1850S Series MS® Deadlock utilizes a laminated stainless steel bolt to provide maximum security for a single leaf narrow stile aluminum door. The MS1850S-X5X Series MS® Deadlock utilizes a laminated stainless steel hookbolt to provide maximum security for a sliding narrow stile aluminum door. Both are activated by a pivot mechanism.
Features:
- Legacy
- Straight
- 1-3/8″
- Narrow stile aluminum doors (legacy)
- 628 (Clear)
Technical Specifications
Accessories
Cylinders, thumbturns, levers, header/threshold bolts
Application
Narrow-stile aluminum/swinging doors
Backset Options
7/8", 31/32", 1‑1/8", 1‑1/2"
Bolt Throw
1‑3/8″ throw; 5/8″ × 1‑3/8″ × 2‑7/8″
Bolt Type
Eight-ply laminated stainless steel
Case Dimensions
1″ × 6″ × depth (varies)
Case Material
Steel with corrosion-resistant plating
Ceramic Core
Center bolt ply has alumina-ceramic core
Compliance
ANSI/BHMA Grade1
Cylinder Compatibility
Standard 1‑5/32″ mortise cylinder with MS® cam
Faceplate Options
Flat, radius, bevel; finishes configurable
Faceplate Size
1″ × 6‑7/8″
Finish Choices
Clear anodized (628), black (335), dark bronze (313)
Handing
Non-handed except “schoolhouse” option
Installation
Wood or metal doors; template and instruction included
Lever Option
4550 lever available, spring-loaded with status indicator
Operation
360° key/thumbturn; key removable only when bolt fully thrown/retracted
Optional Short/Hook Bolt
Short bolt (‑050), hook bolt (‑X5X) versions
Schoolhouse Option
Inside unlock only version (SCH1850S)
Security Features
Anti-hacksaw ceramic core, pivot bolt for max security
Standard Package
Lock body, faceplate, screws
Strike Options
Trim, box, armored strikes available separately
Warranty
5‑Year Limited Warranty
