Marks USA MAR130S 130S Classroom Deadbolt — Marks C Keyway, 6 Pin, Keyed Different, 2-3/4" Backset, Grade 1

Marks USA 130S Classroom Deadbolt — Marks C Keyway, 6 Pin, Keyed Different, 2-3/4" Backset, Grade 1

The Marks USA 130S is a commercial-grade classroom function deadbolt engineered for demanding institutional environments. Rated ANSI 156.5 Grade 1, this single-cylinder deadbolt features a Marks "C" keyway with a 6-pin cylinder and ships keyed different with 2 keys included. Designed for doors with a 2-3/4" backset and door thickness range of 1-3/8" to 1-7/8", it installs into a standard 2-1/8" bore and accepts most conventional, high-security, and IC core cylinders from leading manufacturers. The unitized assembly and tapered cylinder collar construction deliver reliable security and resistance to forced-entry attempts.

Key Features

• ANSI 156.5 Grade 1 Rated: Meets ANSI 156.5 Grade 1 standards for commercial-grade deadbolt performance in high-traffic institutional applications.
• Classroom Function (S): Single-cylinder deadbolt with classroom function — cylinder outside, thumbturn inside — ideal for securing classroom and institutional doors.
• Precise Backset & Door Compatibility: Designed for a 2-3/4" backset with door thickness range of 1-3/8" to 1-7/8" and installs into a standard 2-1/8" bore for straightforward retrofits.
• 1" Bolt Throw: Full 1" deadbolt throw provides robust locking engagement with the included #1335 strike (2-3/4" x 1-1/8").
• 1" x 2-1/4" Latch Front: Precisely sized latch front for clean, professional installation on standard door preparations.
• Broad Cylinder Compatibility: Accepts Medeco, Kaba, Multilock, ASSA, and other high-security cylinders, as well as most conventional cylinders and IC core models for "Best" size cores.
• Tapered Cylinder Collar: Tapered cylinder collar design prevents break-in attempts by wrenching, enhancing forced-entry resistance.
• Steel Shutter System: Integrated steel shutter system eliminates access to mounting screws when the door is locked, protecting against tampering.
• Multiple Available Functions: Available in K (Cylinder x Turnpiece), L (Communicating Single Cylinder), M (Double Cylinder), S (Classroom), and X (Turnpiece x Blank Plate) configurations.
• Finish Options: Available in Bright Brass (3), Stainless Steel (32D), and Dark Bronze (10B) to suit a variety of architectural requirements.

Certifications & Compliance

• ANSI 156.5 Grade 1 (Deadbolt)
• ANSI 156.5 Grade 1, UL Fire Rated 3 Hours (Deadlatch models)
• Commercial Grade

Technical Specifications

• Product Group: Mechanical Locks
• Product Subgroup: Bored Locksets
• Subcategory: Cylindrical Locks
• Commercial/Residential: Commercial
• Keyed: Yes
• Function Description: Single Cylinder Deadbolt
• Product Function: Cylinder x Thumbturn
• Latch Type Specification: Deadlocking
• Product Category: Mechanical Locks
• Department: Door Hardware

Typical Applications

• K-12 and Higher Education Classroom Doors
• Healthcare and Medical Facility Rooms
• Commercial Office Buildings
• Government and Municipal Buildings
• Institutional and Correctional Facilities
• Multi-Tenant Residential and Mixed-Use Properties
• Retail and Hospitality Establishments

Why Marks USA 130S?

Marks USA 130S deadbolts are built to ANSI 156.5 Grade 1 standards with a unitized assembly, tapered cylinder collar, and integrated steel shutter system that together resist forced entry and tampering in the most demanding commercial environments. The broad cylinder compatibility — spanning conventional, high-security, and IC core options from Medeco, Kaba, Multilock, ASSA, and others — makes the 130S a highly adaptable solution for facilities requiring flexible keying and access control strategies.