KURIMCYL - KeyULTRA Rim Cylinder



  • Single rim keyed cylinder
  • For use with nightlatches or other locking devices which are operated from a tailbar
  • Suitable for doors up to 54mm thick


  • Key access from one side of the door
  • Patented until 2028 (GB2453625 and GB2453624)
  • Suitable for fire doors
  • Bump resistant GuardPIN technology
  • Drill resistant
  • Plug extraction resistant
  • Chisel and twist resistant
  • Pick resistant:
  • Paracentric keyway
  • Mushroom drivers
  • Anti-pick notches in the differ pins
  • Wear resistance: Nickel silver differ pins
  • Extensive master keying capability - available key differs in excess of half a million
  • Supplied with 2 oversized solid nickel silver keys as standard
  • Extra keys available upon request
  • Manufactured in UK
  • Available in SC and PL finishes


  • SC - Satin Chrome
  • PL - Polished Brass


  • Cycle tested to 500,000 cycles
  • BS EN 1303:2005
     *When used with appropriate security escutcheon
  • EN 1634-1 assessed for use on 60 minutes timber fire doors
Ordering Options
Rim keyULTRA Cylinder
Rim keyULTRA Cylinder