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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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- 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
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
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.
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
Fixing point with approval (∅6 - ∅10):
In normal weight concrete C20/25 to C50/60 (cracked and non-cracked concrete)
Suitable for mounting medium to heavy loads in concrete:
- Mounting of e.g. staircase railings, base plates, supports, metal structures, metal profiles, brackets etc. in in-place installation
- Mounting under seismic conditions in earthquake areas
- Mounting in areas under exposure to fire
W-BS 2/A4 (A4 stainless steel) can be used in dry indoor conditions, outdoors (including in industrial atmospheres and close to the sea) or in wet rooms, provided that no particularly aggressive conditions are present
For use in concrete < C20/25 and pressure-resistant natural stone (without approval)
Select RAL-colour code
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