Hercular® Deadbolts

Mul-T-Lock's High Security Hercular® Grade 1 Deadbolt has a robust and unique design that is reinforced in just about every possible way to offer the best deadbolt protection available. Featuring hardened steel inserts and parts reinforced with some of the strongest-available materials, as well as a unique interlocking ball bearing mechanism which locks the bolt into the door frame, the Hercular® deadbolt provides top protection against tampering, prying, drilling, kicking and more.


  • 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


There are no reviews yet.

Be the first to review “Hercular® Deadbolts”

Your email address will not be published. Required fields are marked *