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Concrete screw W-BS-T temporary
Reusable concrete screw for temporary mounting of construction site equipment with approval in green concrete. With hexagon head, zinc plated steel
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![](https://media.wuerth.com/source/eshop/stmedia/wuerth/images/std.lang.all/resolutions/category/78px/17944468.jpg)
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Variants
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- Quick and easy installation
- Immediate load-bearing capacity
- Very secure installation
- Low material costs as re-usable
- No installation torque required
DIBt National technical approval for cracked and uncracked concrete Z-21.8-2090 for the temporary attachment of construction site equipment
The screw and the thread must be checked for visual defects with the test sleeve supplied before every reuse.
![](https://media.wuerth.com/stmedia/wuerth/images/std.lang.all/resolutions/normal/348px/20543623.jpg)
Oblique struts in formwork construction
![](https://media.wuerth.com/stmedia/wuerth/images/std.lang.all/resolutions/normal/348px/20543626.jpg)
Oblique struts in formwork construction
![](https://media.wuerth.com/stmedia/wuerth/images/std.lang.all/resolutions/normal/348px/20543627.jpg)
Construction site railings
![](https://media.wuerth.com/stmedia/wuerth/images/std.lang.all/resolutions/category/348px/17944467.jpg)
The concrete screw should be checked for wear before every use. The concrete screw may only be re-used when more than three thread turns can be inserted into the sleeve.
![](https://media.wuerth.com/stmedia/wuerth/images/std.lang.all/resolutions/category/348px/12162591.jpg)
Create the drill hole
![](https://media.wuerth.com/stmedia/wuerth/images/std.lang.all/resolutions/category/348px/12162590.jpg)
Clean the drill hole
![](https://media.wuerth.com/stmedia/wuerth/images/std.lang.all/resolutions/category/348px/12162589.jpg)
Place screw
![](https://media.wuerth.com/stmedia/wuerth/images/std.lang.all/resolutions/category/348px/12162588.jpg)
Screw in the screw
DIBt National technical approval for cracked and uncracked concrete Z-21.8-2090 for the temporary attachment of construction site equipment
Temporary fixings of construction site facilities, such as props, slanted props, scaffolding or fall protection such as railings
- In reinforced and non-reinforced concrete
- In cracked and uncracked concrete
- For normal weight concrete of strength classes C20/25 to C50/60
- In fresh concrete from a concrete compressive strength of fck, cube ≥ 10 N/mm²
Select RAL-colour code
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