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Knowledge Center

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      Cadenas 3D Portal
      Technical information

         Stainless Steel
         Surface Treatments
         Self Locking
         Imperial Fasteners

            Types of anchors
            The load of an anchorage
            Building materials
            Pressure and tension
            Anchor mounting
            Anchoring conditions
            Practical considerations

         Conversion Tables



As masters in fasteners, Fabory advises customers in the field of fastening technology every day. Subjects such as securing, mounting, hydrogen brittleness and anchoring are commonly addressed, but complex subjects, such as anchoring, demand more detailed explanations. If this information does not fully clarify the proper anchor choice for you, our fastening specialists would be pleased to help.


Attaching a balustrade, anchoring a column to a foundation, and hanging a cable duct represent very diverse examples of anchors usages. With these examples in mind, the importance of reliable anchors is clear.
The selection and use of anchors and plugs is influenced by a large number of conditions. To begin, the load of an anchor is an important factor. The size, direction and point of application of the load are all highly influential. In addition, the type of building material in which the element is to be anchored also strongly affects the choice of plug or anchor.
The load on the anchor and the characteristics of the base material place specific demands on the anchor, as overloading of fastening points and insufficient load-bearing capacity of the base material can lead to anchor failure.
To prevent this undesirability, correct mounting is also of great importance. The drilling diameter, drilling depth, edge and axial distances, drill-hole cleaning and fitting depth are crucial pieces of knowledge for creating a reliable anchorage.
Anchoring is a complex subject, and conducting the necessary calculations is no simple task. Altogether, a great number of conditions must be satisfied to achieve a reliable anchorage, so specialist knowledge is recommended for the calculations on which the choice of anchor is based. For many years, construction was based on fairly conservative methods, such that the final anchorage was far from ideal. With the advent of national and international guidelines, a method of calculation is available that includes the characteristic values of anchors that cause various forms of failure.
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