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Concrete screw, pan head W-BS/A4
Concrete screw, pan head W-BS/A4 - 1
Concrete screw, pan head W-BS/A4 - 2
Concrete screw, pan head W-BS/A4 - 3
Concrete screw, pan head W-BS/A4 - 4

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Concrete screw, pan head W-BS/A4

Ideal for fastening mounting rails, panel materials or fire-protection panels in concrete, A4 stainless steel

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  • Extremely flexible to use due to three anchoring depths

  • Fastening can be adjusted up to twice after installation, for example in order to align anchor plates or rails (please refer to the assembly guide)

  • High loads

  • Smallest axial and edge clearance due to very low expansion effect

  • Very fast and easy assembly and immediately load-bearing
Notice

When installing with a tangential impact screwdriver, the recommended maximum rated torque must be observed. When used outdoors, the drill hole can be sealed with WIT-BS injectable mortar.

European Technical Assessment ETA-16/0043 for fixing point, option 1, cracked and non-cracked concrete:


  • Static and quasi-static effects (∅6)

  • Seismic effect, performance category C1 (∅6)

  • Fire resistance R30, R60, R90, R120


European Technical Assessment ETA-16/0128 for anchors in a redundant non-structural system:


  • Cracked and non-cracked concrete, (∅6)

  • Hollow-core prestressed concrete ceilings C30/37 - C50/60, (∅6)

  • Fire resistance R30, R60, R90, R120


Fire resistance rating when exposed to fire according to the uniform temperature time curve in masonry (Mz, KSL, KS), and reinforced concrete, (∅6) - expert report no. 2101/173/18 - 2018