Double Cylinder with Deadbolt & Aux Latch
Double Cylinder with Deadbolt & Aux Latch

SC8458 SE Cal-Royal Mortise Lock Classroom Security w/Deadbolt & Aux Latch

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SC8458 SE Cal-Royal Mortise Lock Classroom Security w/Deadbolt & Aux Latch
Part Number: SC8458SE
Availability: SC8458 SE Cal-Royal Mortise Lock Classroom Security w/Deadbolt & Aux Latch

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SC8458 SE Cal-Royal Mortise Lock Heavy Duty, Grade 1, Classroom Security w/Deadbolt & Aux Latch, Double Cylinder with Deadbolt & Aux Latch  

  • Latch bolt operated by lever from either side except when outside lever is lock from inside or outside by key. Deadbolt retracted by key from inside or outside. Operating inside lever retracts both bolts and unlocks outside. Auxiliary dead latch when door is locked. Inside knob / lever is always free for immediate egress.  
  • Can retrofit Schlage L9000 Series mortise lock without drilling any additional holes on the door for sectional and escutcheon trims.  
  • Meets Buy America Act  
  • Lifetime Warranty  

Cal-Royal SC Series Information  



  • Finish: 26D  
  • Door Thickness: 1 ¾ (44.5mm) thick standard. For doors over 1 ¾ (44.5mm), specify door thickness  
  • Handing: Lock bodies are easily field reversible, no need to specify hand when ordering  
  • Backset: 2 ¾ (70mm) only backset.  
  • Strike: Brass or stainless steel strike; ANSI Standard A115.1; curve lip with dust box  
  • Lock Case: Heavy Duty wrought steel, zinc dichromate plated  
  • C to C: Center of lever to center of cylinder is 3 7/8 (98mm)  
  • Armor Faceplate: Brass or stainless steel; 8 x 1 7/32 (203mm x 31.3mm); ANSI Standard A115.1  
  • Deadbolt: 1 (25.4mm) throw; hardened stainless steel  
  • Latchbolt: 3/4 (19mm) throw; one-piece stainless steel with anti-friction reversible tongue  

Cylinders and Keyways  

  • 6-pin solid brass C keyway standard. Optional: Schlage E, Schlage C-K,  
  • Russwin D1-2-3-4, Corbin 59/60, Corbin-Russwin L4, Sargent LA-LB-LC,  
  • Falcon/Weiser E, Arrow A, Yale 8, Yale GA and Kwikset. Can also accept  
  • Medeco, Assa, Kaba and Cal-Royal HSK High Security Cylinders  

Interchangeable Cores (IC)  

  • Interchangeable Core locks will accept compatible 6 or 7 pin cores with BEST,  
  • FALCON and ARROW. Also available with SCHLAGE, large format cylinders  
  • Toggle Button: High rust-resistant chrome plated zinc alloy  
  • Master Keying: Can be master-keyed or grand master-keyed, construction keying available  
  • Auxiliary Latch: Stainless Steel, non-handed  


  • ANSI/BHMA Meets ANSI/BHMA A158.13 Series 1000 Grade 1 requirements.  
  • UL / cUL UL and UL Listed to Canadian safety standard for A label (3-hour fire door); stamped letter F and UL symbol on armor faceplate  
  • POSITIVE PRESSURE Meets positive pressure requirements UL 10C and UBC 7-2 (1997)  
  • ADA APPROVED Meets ADA requirements, specifically designed for Barrier Free Application

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