For the "adjustment" of the extension lengths of the locking elements on the left and right are cut into the existing holes while each 2 times M5 thread! - With a brand medication manufactured by ABUS at this price a umöglicher process! - One can certainly expect that the manufacturer ABUS in all holes of the adjustment factory cuts the M5 thread and it does not leave the installer.
The adjustment of the bolt extracts also calls for the dismantling and reassembly of the locking keys. The loose here inserted compression springs can thereby easily be lost and the construction of the keys in conjunction with the springs can be classified as maintenance-unfriendly and not well thought out.
The attachment of the bolt and the door with Minidruckschräubchen against sliding to the left and right is mE implemented unprofessional. The Befesting the trapezoid elements to the masonry is likely to be the weak point of the otherwise very sturdy latch. A 2-part element, where you can screw in the fixing screws more easily into the masonry would be strongly recommended here.
Conclusion: The bolt is to follow when securely mounted ok in its function - where the weakness lies in the wall anchor.
Mounting is by design defects already unreasonable and requires technical skills and a solid tooling that goes beyond the normal home network status beyond - here Therefore the recommendation to entrust the installation by a specialist if the above conditions are not met.
