BackBackThe F6 Extra S3 cylinder is specifically designed by ISEO for United Kingdom and it is suitable to manage the accesses of houses, residential buildings and small business. The vertical key system with its special design is certified by some of the most important trade certification bodies in the United Kingdom. This cylinder is available in keyed different and keyed alike versions.
F6 Extra S3 thanks to its special design is suitable to manage the accesses of houses, residential buildings and small business. Interesting expecially for the UKI market, which requires BSI*** as standard, just as SKG and BSI Kitemark, which are symbol of quality and security.
F6 Extra S3 is made by the presence of sacrificial cuts on the body of the cylinder and by the components present inside of it. In case of a manual attack (snapping), the cylinder will break at the intended point thanks to the sacrificial cuts. Inside the cylinder there is also a trap, which is triggered in case of manual attack: in addition, the components particularly suitable for the required safety, make the central part of the cylinder safe. Thanks to this solution, the cylinder is still operable and functional from the inside even after the attack, which makes the door inaccessible from the outside! The surface of the cylinder body is matt nickel-plated, polished nickel or brass as standard. Three overlapping profile ribs of the plug increase the the security of the profile cylinder against unauthorised openings (paracentric key profile). The keys are made of nickel coated brass. Further systems of the F6 series:
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