Marks Hardware

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.

Features:

• 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
• Unitized assemblies for 2-1/8” bore
• Tapered cylinder collars prevent (break in attempts by) wrenching
• Steel shutter system eliminates access to mounting screws when door is locked.
• Series 1 cylindrical cartridge
• Unitized assemblies for 2-1/8” bore

Specifications:

• Latch: Grade 1, 9/16” throw, 2-3/4” backset
• Strike: #1136, 2-3/4” strike
• Door Thickness: 1-3/4”; For 1-3/8” doors use spacer rings K1442/32D
• Cylinder: Marks “C” keyway, 6 pin w/ 2 keys
• Latch front: 1-1/8” x 2-1/4”

Functions:

• K: Cylinder x turnpiece
• L: Communicating single cylinder
• M: Double cylinder
• KL: Cylinder x lever
• X: Turnpiece x blank plate
• KK: Cylinder x knob

Finishes:

• 3 - Bright brass
• 32D - Stainless steel
• 10B - Dark bronze
• 26D - Satin chrome