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Concrete screw W-BS/S type ST-6 as a stair bolt
With connecting thread. Ideal for mounting pipe clamps or spacer sleeves in concrete, zinc-plated steel
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- Extremely flexible to use due to three anchoring depths
- With stud thread for direct mounting of e.g. pipe clamps
- High loads
- Smallest axial and edge clearance due to very low expansion effect
- Very fast and easy assembly, particularly overhead, and immediately load-bearing
- Attachment can be adjusted up to two times after assembly (please refer to the assembly guide)
When installing with a tangential impact screwdriver, the recommended maximum rated torque must be observed. The maximum installation torque specified must be observed when mounting the attachment parts.
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, tension load only)
- 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) - expert report no. 2101/173/18 - 2018
Fixing point with approval (∅6)
In normal weight concrete C20/25 to C50/60 (cracked and non-cracked concrete)
Anchors in a redundant non-structural system, with approval:
- In normal weight concrete C20/25 to C50/60 (cracked and non-cracked concrete, (∅6))
- In hollow-core prestressed concrete ceilings C30/37 - C50/60, (∅6)
With stud thread, therefore a highly efficient fastening solution in concrete for numerous applications involving technical building equipment such as in sanitary, air-conditioning and electrical installations or for mounting parts that need to be removable
Ideal for fastening medium loads in concrete:
- E.g. for fixing pipes, ventilation ducts, cable clamps, suspensions with threaded rods, mounting rails, brackets, metal profiles, brackets for façade or ceiling substructures in pre-positioned installation
- Fastenings under seismic conditions in earthquake areas
- Fastenings under exposure to fire
W-BS/S (galvanised steel) may only be used in dry indoor room conditions
For use in concrete < C20/25 and pressure-resistant natural stone (without approval)
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