Long-life, attractive door technology solutions

LK Series - quality residential and commercial cylindrical...

The LK Series is a quality residential and commercial cylindrical Knob-Lever set. A 70mm backset is supplied as standard. A 60mm latch or extension to 127mm are available as accessories.
LK Series locks are suitable for doors 35mm minimum to 46mm maximum thickness. Supplied in C4 6 pin and suitable for Masterkey and Restricted Systems.

Features & Benefits:

  • Heavy duty spring return with additional “Anti Twist” stud fixing
  • Non-handed field reversible for left or right handed doors
  • 52mm heavy duty cylindrical chassis
  • Fire rated
  • 85mm diameter rose
  • 54mm diameter round knob
  • Box packed
  • Rebate Kit available in 13mm

Style Options:

  • LK Series Entrance Set - 70mm
  • LK Series Classroom Set - 70mm
  • LK Series Storeroom Set - 70mm


  • Satin Chrome Plate