Trulock KTA

Key Turn Activated Locking System

Trulock KTA is the latest addition to the popular Trulock+ range of high security locking systems.  Designed to accommodate both the contemporary and traditional tastes of todays householder.

Ultra smooth locking

Trulock KTA is an enhanced locking system featuring a new ultra smooth key turn activated gearbox. The lock is operated by turning the key 720 degrees clockwise or anti-clockwise to simultaneously engage or disengage both the 25mm throw steel hooks and the nickel plated steel deadbolt. The product like all of the Trulock+ range features two of the patented handed high tensile steel hooks which feature a 4.5mm chamfer, this allows for both lower operating forces and a more fitter friendly degree of tolerance.


  • Compliments both traditional and contemporary doors
  • The security nickel plated steel hooks fully penetrate the heavy duty steel keeps and help prevent forcing apart of the door and frame
  • New and improved smooth locking and unlocking via cylinders
  • Increased tolerance and strength if internal gear mechanism
  • 30% increase in overall gearbox strength and durability
  • Easy operation low force latch and deadbolt retraction


  • Trulock KTA has been designed to harmonise with the Winkhaus XR6-51 Kitemark profile cylinder (KM531333) and in combination with a security escutcheon meets PAS24 and the highest TS007 3 star security requirements.
  • The lock has a protective surface coating in excess of EN1670:2007 Grade 4
  • Tested to PAS24, the Trulock KTA hooks provide low operating forces and helps door achieve a higher level of weather performance
  • The gearbox is tested to 100,000 cycles
  • Approved by the Police " Secured by Design" security initiative
  • European SKG** approved



  • 16mm square and radius end
  • 20mm square and radius end
  • 24mm U-rail
  • 44mm EDGE (PVU eurogroove edge strip)


  • 35mm/ 45mm/ 55mm/ 65mm


  • Key operated

Further Mechanical door locks

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