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

For detailed information, other images and documents, please select individual articles from the following table.

Concrete screw with 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
Proof of Performance

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

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.

Application area

Adjustment - subsequent aligning possible

Create the drill hole

Clean 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

Locate the tensioning strand

Mark the tensioning strand and locate the next one

Mark the tensioning strands. Specify the drilling range

Create the drill hole. Observe spacing

Clean the drill hole

Screw in the screw

Considered installed when the head is close fitting. Observe the embedment depth/mirror thickness

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