Thunderbolt Heritage

Designed to compliment the modern or traditional door

A new modern multi-point locking system with the Euro profile cylinder position comparable to a traditional round cylinder pull.  Enhances the visual value of comtemporary & traditional doors whilst offering higher levels of security and weather performance

Visual Value and Style

The Thunderbolt Heritage is a key turn activted (KTA) locking system which houses the euro profile locking cylinder at a similar height to a traditional round cylinder pull giving both the fabricator and the consumer
a secure solution that also helps to add "visual value" and style to their door.
The product like all of the Thunderbolt range features double deadbolts in the upper and lower positions and the product features 5 deadbolts as standard.
The double deadbolt design has up to 50% greater fitting tolerances and also allows for greater material movement associated with certain hardwoods.


  • Compliments both traditional period and contemporary doors
  • 5 deadbolts as standard
  • Designed to be used with all door materials but especially competent when used with timber doors
  • The double deadbolts allow for up to 50% greater fitting tolerances and material movement
  • Features a new ultra smooth key turn actiavted gearbox
  • Dovetails well when used with the Winkhaus high security Heritage Pull
  • Offers low operating forces and a high level of weather performance


  • Thunderbolt Heritage has been designed to harmonise with the Winkhaus XR6-51 Kitemarke profile cylinder (KM531333) and in combination
  • with a security escutcheon meets PAS24 and the highest TS007 3star security requirements
  • The lock has a protective surface coating in excess of EN1670:2007 Grade 4
  • Tested to PAS24 and the gearbox tested to 100,000 cycles and offers the lowest possible operating forces
  • Approved by the Police " Secured by Design" Security Initative



  • 16mm square end
  • 20mm radius end
  • 20mm square end


  • 35mm/ 45mm/ 55mm


  • Key operated (KTA)
Further Mechanical door locks

Here you will find information about our product range