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Concrete screw with hexagon head W-BS 2/A4 type H
Concrete screw with hexagon head W-BS 2/A4 type H - 1
Concrete screw with hexagon head W-BS 2/A4 type H - 2
Concrete screw with hexagon head W-BS 2/A4 type H - 3
Concrete screw with hexagon head W-BS 2/A4 type H - 4
Concrete screw with hexagon head W-BS 2/A4 type H - 5

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Concrete screw with hexagon head W-BS 2/A4 type H

High working loads and easy installation. The new generation of concrete screws in A4 stainless steel. Ideal for mounting metal structures in concrete

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Available in 7 versions

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  • The new thread geometry ensures smooth screwing into the concrete and thus greater efficiency

  • The fastest type of fastening for medium and heavy loads

  • Three effective anchorage depths allow flexible application

  • Attachments can be adjusted up to twice retrospectively, for example to be able to align staircase railings or anchor plates (observe installation instructions)

  • Minimum spacing and edge distances due to very low expansion effect
Proof of Performance

European technical assessment ETA-22/0123 for fixing point option 1, cracked and non-cracked concrete:


  • Static and quasi-static effects (∅6 - ∅10)

  • Seismic effect, performance category C1 (∅6 - ∅10)

  • Fire resistance R30, R60, R90, R120
Notice

From size 8, we recommend the use of a suitable tangential impact screwdriver for installation. The recommended nominal torque must be observed. When used outdoors, the drill hole can be sealed with WIT-BS injectable mortar.

Application area

Steel supports

Brackets

Adjustment - subsequent aligning possible.

Create the drill hole

Place screw

Screw in the screw

Considered installed when the head is close fitting

Screw out the screw max. 2x each by max. 10 mm. Underlay. Screw in

Considered installed when the head is close fitting. Lining max. 10 mm. The required embedment depth must be maintained as a minimum

European technical assessment ETA-22/0123 for fixing point option 1, cracked and non-cracked concrete:


  • Static and quasi-static effects (∅6 - ∅10)

  • Seismic effect, performance category C1 (∅6 - ∅10)

  • Fire resistance R30, R60, R90, R120