Electronic Locking

Interlock IB25KO Series Electromechanical Drop Bolt


The Interlock IB25KO Series Drop Bolts represent true engineering innovation, design excellence and the superior quality customers have come to expect from Interlock. The IB25KO Series is designed for use on most doors including double action doors.


  • Deadbolt to secure the door
  • High security:
    • Automatic deadbolting
    • 12.7mm diameter stainless steel bolt pin
  • Mortice or surface mount, horizontally or vertically
  • Available as Fail Safe or Fail Secure
  • Bolt position sensors
  • Anti-tailgate and Anti-tamper
  • Auto relock 0, 3, 6 or 9 seconds
  • Multiple attempts to lock and unlock
  • Multi voltage input (12 – 24VDC)
  • Key override
  • New Zealand made


  • Timber doors
  • Glass doors
  • Sliding doors
  • Aluminium doors
  • Hinged doors
  • Pivot doors
  • Double action doors