Bump Halt

Bump Halt provides a “bump resistant” solution for the Ilco line of Key in knob / Key in Deadbolt, Mortise and Rim Cylinders. This Innovative Patent Pending solution to bumping will resist the transfer of force from the bump key to the pins.

Kits are also available that will enable conversion of a new or existing Ilco Cylinder.


  • Effective yet cost efficient

  • No special tools or machining required

  • Available factory installed or as aconversion kit
  • Conversion kits contain 10 pins, 10 springs and instructions (one pin and one spring will resist bumping; add anadditional pin and spring to increase the security.

Bump Halt™ has not been tested on competitive brands of cylinders.