Deadbolts & Deadlatches

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.

DEADBOLTS & DEADLATCHES

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.

TRIM TYPES

LEVERS

UNDERWRITERS LABORATORIES 3-HOUR FIRE RATING

Mortise type Series 4, 5, 5PD and 5SS50 with 3/4 in latch bolts. Also available with aluminum, zinc, brass, bronze, or stainless steel lever handles or paddles (5PD only). In addition to 3 Hr doors up to 4 ft in width and 8 ft in height, the lock set may be used on doors rated 1-1/2 Hr or less up to 4 ft in width and 9 ft in height. More info...

BUY AMERICAN
Marks USA has made compliance with the Buy American Act (BAA) and American Recovery & Reinvestment Act (ARRA) easy. Marks USA is an American manufacturer of quality door hardware products with manufacturing facilities in Amityville, NY. Marks USA is an American brand trusted throughout the door hardware industry.

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