Cal-Royal SC8071 Grade 1 Classroom Security Mortise Lockset with Interchangeable Core Prep

Cal-Royal SC8071 Grade 1 Classroom Security Mortise Lockset with Interchangeable Core Prep

The Cal-Royal SC8071 is a Grade 1 classroom security mortise lockset engineered for 1 ¾" (44.5mm) thick doors with a 2 ¾" (70mm) backset and 3 7/8" (98mm) center-to-center dimension. Built with a heavy-duty wrought steel, zinc dichromate plated lock case, this double-cylinder lockset conforms to ANSI A156.13 Grade 1 standards and is tested to exceed 1,000,000 cycles. Designed to retrofit Schlage L9000 Series mortise locks without drilling additional holes, it accepts 6 or 7 pin interchangeable cores compatible with BEST, FALCON, and ARROW systems.

Key Features

• Door & Backset Specifications: Fits 1 ¾" (44.5mm) thick doors standard with a 2 ¾" (70mm) only backset and 3 7/8" (98mm) center-to-center measurement from lever to cylinder.
• Heavy-Duty Durability: Lock body conforms to ANSI A156.13 Grade 1 operational and dimensional performance, exceeding 1,000,000 test cycles for long-term reliability in high-traffic applications.
• Robust Construction: Heavy-duty wrought steel lock case with zinc dichromate plating; deadbolt is hardened stainless steel with 1" (25.4mm) throw, and the latch bolt is one-piece stainless steel with a ¾" (19mm) throw and anti-friction reversible tongue.
• Field Reversible Handing: Lock bodies are easily field reversible with no need to specify hand when ordering, simplifying stocking and installation.
• Interchangeable Core Compatibility: Accepts compatible 6 or 7 pin interchangeable cores from BEST, FALCON, and ARROW, with a 6-pin solid brass "C" keyway standard.
• Armor Faceplate: Brass or stainless steel faceplate measuring 8" x 1 7/32" (203mm x 31.3mm) per ANSI Standard A115.1, paired with a brass or stainless steel strike featuring a curved lip with dust box.
• Free-Wheeling Clutch Lever: The outside lever incorporates a clutch design that rotates when locked, preventing excessive force from being applied and reducing the chance of lever breakage or damage.
• Retrofit Convenience: Can retrofit Schlage L9000 Series mortise locks without drilling any additional holes for sectional and escutcheon trims, with no exposed mounting screws on outside or inside trims.

Certifications & Compliance

• Meets 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 SC8071?

Cal-Royal SC8071 mortise locksets deliver professional-grade reliability with heavy-duty wrought steel construction, hardened stainless steel components, and a lock body rated to exceed 1,000,000 test cycles under ANSI A156.13 Grade 1 standards. Engineered for demanding classroom and commercial security applications, the free-wheeling clutch lever and interchangeable core compatibility make this lockset a dependable choice where consistent performance is essential.