Deadbolts & Deadlatches

Offered in both Smart Deadbolt & Interconnected Deadbolt models with one-motion egress, these brand new locks team Marks well-known reliability and quality, along with the flexibility of using them with top-level Napco smart platforms. Providing high-security smart device access, they eliminate key distribution hassles and associated costs, and are ideal for new construction or upgrading standard locks in today's growing multifamily housing residential market.

• Smart Deadbolt & Interconnected Deadbolt (A881B)
• New Marks Indicator Locks SKA500 Series (A884)

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.

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...