Mortise Locksets

Mul-T-Lock's enhanced design mortise locks come with a hardened steel anti-sawing insert in bolt. Available in a variety of sizes and functions with surface-mounted and through-bolted trim.


  • Mul-T-Lock High Security Mortise Cylinder
  • UL437 Listed for Pick and Drill Resistance
  • Hardened Steel, Anti-Sawing Insert in Bolt
  • Field Reversible Handling (Left or Right Handed)
  • 2 1/2” or 2 3/4” Backset


  • Through-Bolted or Surface-Mounted Knob Trim
  • Standard or Wide Face Trim
  • Left or Right-Handed Orientation (Field Reversible) Easy Retrofit Ability
  • High Picking, Drilling, and Bumping Resistance
  • Supported by Mul-T-Lock’s Key Control Systems


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