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Mortise Lock (M)

Extra Heavy Duty Mortise Lock - Extra Heavy Duty Mortise Lock

M Series  (98mm)

*C to C (℄ lever to ℄ cylinder) is 3-7/8" (98mm) 



  • The heavy duty Mortise Locks are designed a patented construction with superior quality to provide high security, easy installation and durability.
  • A full range of multiple functions to meet different demands for all commercial, institutional and industrial applications.



  • Full reversible design
  • No exposed mounting screws on outside and inside trims
  • It can retrofit American Schlage L9000 Series mortise lock bodies.
  • Lock body is easily field reversible
  • Outside lever is clutch freewheeling design to decrease the lever to be broken or damaged.
  • Available for master, grandmaster and construction key.
For Doors  1-3/4”(44.5mm) thick standard. For doors over 1-3/4”(44.5mm), specify door thickness
Lock Hand  Lock bodies are easily filed reversible, no need to specify hand when ordering 
Backset  2-3/4” (70mm) only
Lock case  Heavy duty wrought steel, zinc dichromate plated 
C to C  ℄ lever to ℄ cylinder is 3-7/8” (98mm) 
Amor Faceplate  Brass or Stainless Steel; 8” x 1-7/32” (203mm x 31.6mm); 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 
Auxiliary Latch  Stainless steel, non-handed 
Toggle button  High rust-resistant chrome plated zinc alloy 
Trims  Please download the "Catalog" for reference
Strike  Brass or Stainless Steel; ANSI Standard A115.1; curve lip with dust box 
Cylinders  Please download the "Catalog" for reference
Masterkeying  Can be masterkeyed or grand masterkeyed, construction keying available 
Finishes  US3, 4, 10, 10B, 26, 26D, 32, 32D 


  • Comply with ANSI/BHMA A156.13-2017 Grade 1 requirement
  • UL and cUL listed to Canadian safety standard for A label (3-hour fire door)
  • Meet UL10C fire label A and UBC 7-2(1997) requirements