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Concrete screw W-BS 2/A4 type I with M8/M10 internal thread
High working loads with easy assembly and installation. Ideal for fastening facilities for proper building function in open buildings or outdoors.
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- With combination sleeve, internal thread M8/M10
- Made from A4 stainless steel
- The fastest type of fastening for medium to heavy loads, especially for installations involving technical building equipment
- Less drilling and installation effort
- The new thread geometry ensures smooth screwing into concrete and thus greater efficiency during assembly
- Smallest axis and edge distances due to very low expansion effect
- Broad range of applications
European Technical Assessment ETA-22/0123 for individual fixing point, option 1, cracked and uncracked concrete:
- Static and quasi-static action (dia. 6)
- Seismic action, performance category C1 (dia. 6)
- Fire resistance R30, R60, R90, R120
When installing with a tangential impact driver, the recommended maximum rated torque must be observed. When used outdoors, the drill hole can be sealed with WIT-BS injectable mortar.
Pipe suspensions
Create the drill hole
Place screw
Screw in the screw
Considered installed when the head is close fitting
European Technical Assessment ETA-22/0123 for individual fixing point, option 1, cracked and uncracked concrete:
- Static and quasi-static action (dia. 6)
- Seismic action, performance category C1 (dia. 6)
- Fire resistance R30, R60, R90, R120
Individual fixing point with ETA/approval (dia. 6):
In normal weight concrete C20/25 to C50/60 (cracked and uncracked concrete)
The simplest solution for suspended installations with threaded rods in sizes M8 and M10. Very efficient fastening solution in concrete for numerous applications involving technical building equipment such as in sanitary, air-conditioning and electrical installation. A4 stainless steel design for use outdoors, in open buildings, in car parks, underground garages or tunnels (corrosion resistance class CRC III).
Ideal for fastening medium loads in concrete:
- Fastening of e.g. single pipe and ventilation installations, suspended ceiling substructures, suspended cable and pipe sections
- Fastenings under seismic conditions in earthquake-prone areas
- Fastenings under exposure to fire
W-BS 2/A4 (A4 stainless steel) can be used in dry indoor conditions, outdoors (including in industrial atmospheres and coastal areas) or in damp rooms, provided that no particularly aggressive conditions are present.
For use in concrete < C20/25 and pressure-resistant natural stone (without ETA/approval)
Select RAL-colour code
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