Hercular® Anti-Ligature Locks

Mul-T-Lock's Hercular® Grade 1 Anti-Ligature Deadbolt (also available with latch locking) meets the unique locking needs found in institutions such as health care facilities where its lack of angles greatly decreases risk of injury or self-harm.


  • UL Fire Rated, ANSI Grade 1 Deadbolt
  • Mul-T-Lock High Security Key and Cylinder Platform
  • UL437 Listed for Pick and Drill Resistance
  • Adjustable Backset – 2-3/8” (60Mm) Or 2-3/4” (70Mm)
  • Full 1” (25Mm) Bolt Throw with Anti-Pulling Ball Bearings Mechanism
  • Locking Mechanism Reinforced with Hardened Steel Pins
  • Free Spinning Solid Brass Core Rosettes


  • ANSI Grade 1 Locking Mechanism
  • UL Fire Rated Latch
  • Quick & Easy Installation
  • Drive-in for Steel Doors
  • High Picking, Drilling, Bumping, Prying and Kicking Resistance
  • Supported by Mul-T-Lock’s Key Control Systems


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