Deadbolt Cylinders

Mul-T-Lock's extremely wide range of key in deadbolt cylinder options allow you to easily upgrade the security of existing deadbolts by simply switching out the cylinder – no hardware modifications or reinstallations required.


  • Many Size Options Offered to Fit Multiple Applications
  • Available in Multiple Mul-T-Lock Key System Platforms
  • Offered in Many Keying Variations Including: Keyed Different, Keyed Alike and Master Keyed


  • Convenient Retrofit for Existing Hardware
  • Flexibility to Fit Multiple Devices Including Many European and Other International Style Locksets
  • Patented and High Security Options Available
  • Supported by Mul-T-Lock’s Key Control Systems


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