Construction Blog

Fastening advices for experts

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    How a self-drilling screw is produced

    Everyone knows EJOT self-drilling screws. But how are they actually produced?


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    Corrosion protection – Corrosion Guidebook Part 2

    The second article will talk about the possibilities of preventing corrosion damage. Corrosion protection includes all measures that help to avoid corrosion damage to metallic components.


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    Type of corrosion – Corrosion Guidebook Part 1

    The first part of the corrosion guide gives you a general overview of corrosion and the most common types of corrosion on screw connections in the construction sector.


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    Avoid assembly errors – Heavy-duty anchor Guidebook Part 7

    As an amendment to the list of the different types of assembly, the focus here is on processing faults and we will talk in particular on avoiding these processing faults during assembly.


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    Types of assembly – Heavy-duty anchor Guidebook Part 6

    In the sixth article of our guide on heavy-duty anchoring, we show which types of installation play a role in heavy-duty anchoring and how they work.


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    Corrosion – Heavy-duty anchor Guidebook Part 5

    In the fifth article of our guidebook on the topic of heavy-duty anchoring, we show that in addition to loads, there are other external influences that play a major role in the choice of fastener, including corrosion.


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    Load carrying ability – Heavy-duty anchor Guidebook Part 4

    The fourth part of the heavy-duty anchor guide deals with external influences in the form of loads.


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    Anchor function principles – Heavy-duty anchor Guidebook Part 3

    The third part of the heavy-duty anchor guide focuses on the anchoring methods. We shed light on the function principles and fastening elements and their advantages and disadvantages.


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    Cracked concrete – Heavy-duty anchor Guidebook Part 2

    In the second part of our heavy-duty anchor guide, we will deal with the “cracked concrete” substrate in detail, and show the requirements of this building material for the anchoring elements.


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    Fasteners and base material – Heavy-duty anchor Guidebook Part 1

    In addition to the own weight of the system to be fastened and the loads to be applied, the base material is one of the most important factors in determining the suitable fastener. In this article ...


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  • Fasteners for solar & photovoltaic systems

    EJOT offers a large number of high-quality fastening solutions for the correct and secure fastening of solar installations. The product portfolio includes approved fasteners for the assembly of photovoltaic installations...


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  • Bolzenanker BA-Plus-Reihe

    Through Bolt BA Plus with improved properties!

    Higher load values, faster processing, better performance: EJOT has developed the so-called BA series in the field of metal anchors. The product engineers have developed a completely new design for the through bolts, ...


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  • LIEBIG® heavy duty anchors

    The long-established brand for heavy-duty fixing is now part of the EJOT Group which caters for selected market segments of the building industry with special fastening and anchoring products. As of now, you can...


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  • Installation process - how to install a facade anchor correctly

    Learn here how the installation of a facade anchor works.


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  • Dübelschrauben in der Fassade

    Advice: Using zinc-plated anchor screws in the facade

    It is no secret, but many contractors do not know it: Anchor screws made of zinc-plated steel may also be used outdoors and offer an economic alternative to stainless steel screws.


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  • Produktabbildung Edelstahl-SAPHIR Bohrschraube

    Faster self-drilling screws for thicker wall brackets

    The specifications for an optimal building insulation are increasingly tightened by the legislator. Building owners must use thicker insulating materials on the facade in order to meet increasing energy requirements.


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  • Verdübelung von Wärmedämmverbundsystemen

    Practical advice for the perfect fixing of ETICS

    A clean drill hole is the only way the anchor can fulfil its function optimally in the External Thermal Insulation Composite System. Therefore, a thorough evaluation of the substrate is inevitable.


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  • What is ... the drilling performance?

    The drilling performance of a screw refers to the drill point and defines the maximum thickness of components which can be penetrated with this drill point.


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  • Reliable crown fixing with ORKAN storm washers

    Sandwich panels and metal sections for industrial lightweight construction are usually fixed to the crown or the valley flange of the respective substructure. Self-drilling screws or self-tapping screws are used as fastening elements.


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  • Facade anchors with M8 threaded connection

    Rear-ventilated facades offer a multitude of design possibilities to architects and are becoming increasingly popular. The buildings feature an aesthetic, technically safe functioning and largely maintenance-free facade. A look at the substructure...


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  • The anchor primer - facade anchors for timber and metal attachments

    For the structural fastening of facade substructures, there are various types of facade anchors. Generally, the specifier decides which facade anchors are to be used. Nevertheless...


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  • What is ... the clamp thickness?

    What is clamp thickness and how is it calculated for self-drilling screws?


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  • What is... a thread protection sleeve?

    Self-drilling screws with conventional cutting bit are tapered. Our EJOFAST screws are even significantly sharper. This causes a risk of injury for people.


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  • lackierte Schrauben

    The colourful world of fasteners

    In industrial lightweight construction the buildings are not only erected as pure functional structures anymore. More and more builders opt for an architecturally sophisticated design of production sites, sales halls or high rack warehouses.


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  • Through bolt installation errors

    Depending on the respective approval, through bolts are suitable for embedment in cracked and non-cracked concrete. Through bolts work by driving a steel bolt into the substrate.


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  • Errors during the construction phase with serious consequences

    Falling parts can endanger human lives. The cause is the so-called hydrogen-induced brittle fracture, which often occurs with a time lag after installation.


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  • Screw jargon

    What does the designation JT2-6-5.5×25-E16 actually stand for? Or JT3-FR-2H-4.8×19-E11-9006? What is the difference between a JT2, a JT3 or a JT4 screw?


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