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Concrete screw with hexagon head and large disc W-BS/S
Concrete screw with hexagon head and large disc W-BS/S - 1
Concrete screw with hexagon head and large disc W-BS/S - 2
Concrete screw with hexagon head and large disc W-BS/S - 3
Concrete screw with hexagon head and large disc W-BS/S - 4

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Concrete screw with hexagon head and large disc W-BS/S

Highest load capacities and efficient mounting. Ideal for mounting wood structures (large U-washer as per DIN 440) in concrete, zinc-plated 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 railings or anchor plates (please refer to the assembly guide)

  • Very high loads

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

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

From size 8, we recommend the use of a suitable tangential impact screwdriver for installation. The recommended maximum nominal torque must be observed.

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


  • Static and quasi-static effects

  • Seismic exposure, performance categories C1 and C2

  • Fire resistance R30, R60, R90, R120


DIBt National technical approval/general type approval Z-21.1-2075 as bonded screw anchor for anchoring in concrete


  • Use in combination with injectable mortar WIT-BS as bonded screw anchor WIT-BS

  • In reinforced and non-reinforced and cracked and non-cracked concrete C20/25 to C50/60