CRL Adams Rite® Hook Throw Deadlock 1-1/8" Backset Door Lock

• 13/16" (21 mm) throw
• Cylinder backsets: 31/32" or 1-1/8" (25 or 29 mm)
• Throw bolt made of 8-ply laminated stainless steel
• Center ply contains alumina-ceramic core to defeat hacksaw attacks
• Accepts standard 1-5/32" (29 mm) diameter mortise key or thumbturn cylinder with AR MS-type cam
• Optional faceplate

This CRL Adams Rite® Hook Throw Deadlock (SKU: MS1853H3) features an 8-ply laminated stainless steel throw bolt with an alumina-ceramic center ply to resist hacksaw cutting, including "super hacksaws." The hook-shaped bolt design repels pry-bar attacks for enhanced forced-entry protection. Fits standard 1-5/32" (29 mm) mortise keys or thumbturn cylinders using the AR MS-type cam. Optional faceplates available for a finished installation. Ideal as a high-security hook throw deadlock for storefronts, aluminum doors, and commercial applications.