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Thunderbolt Heritage

Created for security and fashion, the Thunderbolt Heritage lock is a Key Turn Activated locking system which houses the cylinder at a heritage eye-level position, perfect for modern or traditional doors with ornate or architectural long bar or traditional pull door hardware.

Similar to the Thunderbolt™ locking system, the Thunderbolt Heritage features twin deadbolts in the upper and lower positions and 5 deadbolts as standard.

The Thunderbolt Heritage locking system is extremely easy to install and can provide any timber or composite door the perfect contemporary style look.

Product information

20mm throw twin deadbolts
High security nickel plated alloy deadbolts that fully engage the keep rail and help prevent forcing the sash and frame apart.

Heavy duty steel keeps
Heavy duty keeps manufactured using high grade steel, plated to comply with Grade 4 corrosion resistance BS EN1670.

Latch and centre deadbolt
Precision engineered alloy sprung latch and nickel plated steel deadbolt provides the Thunderbolt Heritage with maximum strength in the centre of the door.

High performance gearbox
Tested to 100,000 cycles, the sprung gearbox offers the lowest possible operating forces and helps prevent handle ‘droop’.

Further benefits


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Made in Germany – precision engineering

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Manufactured using high quality materials

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Available in a wide range of variants


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Proven long term reliability

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Very high corrosion resistance

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All Winkhaus door locking systems are thoroughly tested to the latest standards

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Get in touch!

For further detailed technical information about our products, please get in touch with us and we will be happy to help.

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Türverriegelung mechanisch Tür offen mit Garten