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The EJOT portfolio includes products for fastening on thin-walled metal profiles (JF3 self-drilling screws of the EJOFAST® family), steel/steel and aluminium/steel connections (JT3/JT6 bimetall self-drilling screws) as well as aluminium/aluminium connections (JT4/JT9 stainless steel self-drilling screws).

You can easily determine the drilling performance of EJOT self-drilling screws yourself by having a look at the screw disignation: For example, an EJOT self-drilling screw JT3-6-5.5 has a maximum drilling performance of 6 mm, a JT3-12-5.5 has a maximum drilling performance of 12 mm.

Much more important, however, is the second point which is especially valid for self-drilling screws for weater-exposed areas (JT3). 2. Hardened drill points: JT3 stainless steel screws feature a drill point made of steel - for strength reasons, therefore they are called "bi-met screws"!

Depending on the substructure of the roof, the lower part is either an EJOT self-drilling screw JT3-SB-3-8.0 x L or an EJOT self-tapping screw JA3-8.0 x L or JA3-10.0 x L based on DIN 571.

The JZ5 is the strongest self-tapping screw of EJOT to date and scores particularly well when used in high-strength materials. The JT3-6-5.5x25 E16 self-drilling screws are made of stainless steel with a hardened steel drill bit and are used to attach the support profiles to the substructure.

The characteristic feature of the EJOWELD® technique is a rotating friction element subjected to axial force, which first penetrates the light metal component and is subsequently welded to the underlying super-high-strength component. The welding results from the friction-induced heat input and the high surface pressure on the joint.

In this part we would like to show you the basic procedures for screw manufacturing, take you on a journey into the production of EJOT and introduce you to the individual production phases using the example of the EJOT self-drilling screw JT3-18-5.5. Two manufacturing processes for thread production First of all, a distinction is made between two different manufacturing processes: machining and forming.

This head style is particularly widespread for drilling and self-tapping screws and is mainly used for fastening sandwich panels in the roof area. As an example, we have the EJOT JT3, JT4 and the JZ5 product series.

Fastening in steel substructures For use in thicker steels, however, screws with a finer thread geometry are necessary in order to form a fine thread. The EJOT JZ3 screws can be named here as an example.

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Further information about LIEBIG® heavy-duty anchors can also be found in the brochure and in the additional documents Brochure LIEBIG SUPERPLUS Brochure LIEBIG lightning protection anchor ETA-01/0011 LIEBIG SUPERPLUS ETA-06/0108 LIEBIG Safety Bolts DoP ETA-01/0011 LIEBIG SUPERPLUS DoP ETA-06/0108 LIEBIG Safety Bolts

Let us take a look at two types of anchors: The self-undercutting anchors such as the LIEBIG SUPERPLUS and the concrete screw JC2 Plus: The sharp edged segments of the LIEBIG SUPERPLUS sleeve cut deep into the concrete in the borehole.

In the case of multi-part metal anchors, pre-stressing is basically released this way. Our LIEBIG® SUPERPLUS BLS-P pre-installation anchor is therefore equipped with an additional safeguard.

Products that have been tested against seismicity are, for example, the BA-V Plus, BA-E Plus, LIEBIG® SUPERPLUS BLS through bolts. All types of loads at a glance

For District Administrator Andreas Müller, Chairman of the Supervisory Board of Kreisbahn Siegen-Wittgenstein, this transport is further proof of the strategic importance of the container terminal: "In order to achieve our sustainability goals and significantly reduce CO2 emissions, more traffic must be transferred from the road to the Rail.

Spar supermarket Weinitzen, Austria Architecture Scherr + Fürnschuss Architekten ZT-GmbH (© Spar AG/Werner Krug)

Downloads Press release EJOFAST JF3-2-6.0 [PDF; 123 KB] Picture EJOFAST JF3-2-6.0 [PNG; 5.3 MB]

Downloads Press release EJOFAST JF3-Plus self-drilling screws [PDF; 80 KB] Picture EJOFAST JF3-Plus self-drilling screws [PNG; 4,74 MB]

The EJOFAST® JF3-2H-4.8 is a side lap screw for profiled metal sheets in areas that are not exposed to the weather.

EJOT generally recommends using products that have been approved by the building authorities. The EJOFAST® JF3-2-5.5 self-drilling screws, for example, are suitable for various mounting systems on the roof and for use in open spaces.

The EJOFAST® JF3-Plus-6.8 is a self-drilling screw for screwing profiled sheets, sandwich panels, edge parts and cladding onto timber substructures.

The EJOFAST® self-drilling screw JF3-FR-2-5.5 is suitable for fastening mounting rails and smoke deflectors.

It stops the screwing process at exactly the right moment. With the VARIO JT6-2/5-5.0x30, EJOT offers the ideal fastener for connecting wall brackets to support profiles.

The EJOT JF and JT screw types are generally considered to be pre-drilled when calculating the edge distances.

A distinction must be made between JT screws (classic drill point with cutting edge) and JF screws (unique tip geometry without cutting edge).