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Marks USA manufactures a versatile series of Grade 1 Deadlatches and Deadbolts which install easily and accept most other manufactures conventional, high security and IC Core cylinders.
  • Deadbolt: ANSI 156.5 GRADE 1 (UL Fire Ratings not applicable)
  • Deadlatch: ANSI 156.5 GRADE 1, UL Fire Rated 3 hours
  • Accepts Medeco, Kaba, Multilock, ASSA and other high security cylinders
  • IC core models for "Best" size cores
  • Accepts most manufactures conventional cylinders
  • Tapered cylinder collars prevent (break in attempts by) wrenching
  • Steel shutter system eliminates access to mounting screws when door is locked.

Trim Types

 
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Marks USA, Amityville, NY 11701
800-526-0233 | fax 631-225-6136