5911 - Single Cylinder (External)


For use with ASSA Modular and Connect lockcases.


Securing of Cylinder

The cylinder is fixed with four high security hardened steel screws, supplied with the accessory set.

ASSA accessories must be used.

Cylinder Features:

  • Drill Protection as Standard - 5 minutes drilling resistance
  • Enhanced plug pulling resistance
  • Paracentric key way for resistance to picking and manipulation of system pins
  • Bumping resistance



Available in satin chrome finish


Cylinders for Locks

Tested in accordance with BS EN 1303:2015


1 6 0 B 0 C 6 D*



*when used with appropriate security escutcheon


Fire Rated

Tested in accordance with BS EN 1634-1:2000

Product range is suitable for use on fire resistant and smoke control doors.