Cal-Royal SC8457 Grade 1 Classroom Security Deadbolt Mortise Lockset with Interchangeable Core

Cal-Royal SC8457 Grade 1 Classroom Security Deadbolt Mortise Lockset with Interchangeable Core

The Cal-Royal SC8457 is a Grade 1 classroom security mortise lockset with deadbolt, engineered for doors 1 ¾" (44.5mm) thick standard with a 2 ¾" (70mm) backset and 3 7/8" (98mm) center-to-center dimension. Featuring a heavy-duty wrought steel lock case, hardened stainless steel 1" throw deadbolt, and ¾" throw stainless steel latch bolt, this lockset conforms to ANSI A156.13 Grade 1 standards and exceeds 1,000,000 test cycles. The double-cylinder keyed function with 6-pin solid brass "C" keyway and interchangeable core compatibility with BEST, FALCON, and ARROW makes it ideal for demanding commercial and educational environments.

Key Features

• Door & Backset Specifications: Designed for 1 ¾" (44.5mm) thick doors standard with a 2 ¾" (70mm) only backset and 3 7/8" (98mm) center-to-center measurement for precise fit.
• Heavy-Duty Durability: Lock body conforms to ANSI A156.13 Grade 1 operational and dimensional standards, exceeding 1,000,000 cycles for long-term reliability in high-traffic applications.
• Heavy-Duty Construction: Wrought steel lock case with zinc dichromate plating, hardened stainless steel 1" throw deadbolt, and one-piece stainless steel ¾" throw latch bolt with anti-friction reversible tongue.
• Armor Faceplate: Brass or stainless steel faceplate measuring 8" x 1 7/32" (203mm x 31.3mm) per ANSI Standard A115.1.
• Field Reversible Lock Hand: Lock bodies are easily field reversible, eliminating the need to specify handing when ordering.
• Cylinder & Interchangeable Core Compatibility: 6-pin solid brass "C" keyway standard; interchangeable core locks accept compatible 6 or 7 pin cores from BEST, FALCON, and ARROW (SFIC).
• Clutch Lever Design: Outside lever features a free-wheeling clutch that rotates when locked, preventing excessive force from being applied and reducing the risk of lever breakage or damage.
• Retrofit Capability: Can retrofit Schlage L9000 Series mortise locks without drilling additional holes for sectional and escutcheon trims, with no exposed mounting screws on outside or inside trims.

Certifications & Compliance

• ANSI/BHMA A156.13 Series 1000, Operational & Security Grade 1 Standards
• UL and cUL Listed to Canadian safety standard for A label (3-hour fire door); stamped letter F and UL symbol on armor faceplate
• Meets positive pressure requirements UL 10C and UBC 7-2 (1997)
• Meets ADA requirements, specifically designed for Barrier Free Application

Technical Specifications

• Product Group: Mechanical Locks
• Cylinder and Keyways: 6-pin solid brass "C" keyway standard, Interchangeable Core locks will accept compatible 6 or 7 Pin cores with BEST, FALCON and ARROW (SFIC)
• Product Subgroup: Mortise Locks and Trim
• Latch Throw: 3/4" (latch), 1" (deadbolt)
• Keyed Function: Double Cylinder
• Commercial/Residential: Commercial
• Keyed: Yes
• Electronic: No
• (CTC) Center-to-Center: 3-7/8"
• Door Hand Direction: Field Reversible
• Door Thickness Range: 1-3/4"
• Face Plate: Brass or stainless steel, 8" x 1-7/32"
• Product Category: Mechanical Locks
• Backset (Distance): 2-3/4"
• Department: Door Hardware

Typical Applications

• Commercial Office Buildings
• Educational Facilities
• Healthcare Institutions
• Retail Establishments
• Industrial and Warehouse Facilities
• Multi-Tenant Residential Properties
• Government and Municipal Buildings

Why Cal-Royal SC8457?

Cal-Royal SC8457 mortise locksets deliver professional-grade reliability with heavy-duty wrought steel construction and hardened stainless steel components rated to exceed 1,000,000 test cycles under ANSI A156.13 Grade 1 standards. Engineered for demanding classroom and commercial applications where dependable security performance and code compliance are essential.