Construction Blog

Fastening advices for experts

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Types of screws – Self-drilling screws Guidebook Part 1

09.02.2021
Self-drilling screws Guidebook

In the first part of our guide to self-drilling screws we will give you a general overview of the different screw types and you will learn more about the respective special features.

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Assessment of the corrosion environment – Corrosion Guidebook Part 3

03.11.2020
Corrosion Guidebook

In this part we will look at the assessment of the corrosion environment and explain the corrosivity categories and corrosion resistance classes.

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Corrosion protection – Corrosion Guidebook Part 2

29.10.2020
Corrosion Guidebook

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

05.10.2020
Corrosion Guidebook

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

16.04.2020
Heavy-duty anchor Guidebook

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

25.03.2020
Heavy-duty anchor Guidebook

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

23.01.2020
Heavy-duty anchor Guidebook

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

04.12.2019
Heavy-duty anchor Guidebook

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

30.10.2019
Heavy-duty anchor Guidebook

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

21.08.2019
Heavy-duty anchor Guidebook

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

23.07.2019
Heavy-duty anchor Guidebook

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 ...

What is ... the clamp thickness?

21.07.2019
Engineering ABC

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

The anchor primer - facade anchors for timber and metal attachments

20.07.2019
Engineering ABC

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...

Reliable crown fixing with ORKAN storm washers

18.07.2019
Fastening advice

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.

What is ... the drilling performance?

17.07.2019
Engineering ABC

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.

Dübelschrauben in der Fassade

Advice: Using zinc-plated anchor screws in the facade

11.07.2019
Fastening advice

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.

Through bolt installation errors

05.07.2019
Fastening advice

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.

Errors during the construction phase with serious consequences

03.07.2019
Fastening advice

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.

Screw jargon

01.07.2019
Engineering ABC

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?

lackierte Schrauben

The colourful world of fasteners

19.06.2019
Engineering ABC

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.

How a self-drilling screw is produced

13.06.2019
Engineering ABC

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