High loads combined with an easy application.

The concrete screw BTSB is optimally suitable for a wide variety of heavy-duty applications in cracked and non-cracked concrete according to the ETA-assessment Option 1. It achieves highest loads combined with easy mounting (use of an impact wrench is recommended), obtains fire resistance class R 120 for even more safety in case of fire, is approved for use under seismic action (C1) and may even be used to fix fire extinguishing pipe systems to concrete ceilings according to VdS guidelines. Because of the three setting depths and the adjustability the screw is very variable usable. The concrete screw as an expansion-force free anchor is also ideal for temporary fixings as it can be removed completely. Due to the integral washer no additional washer is required and you save time during the installation. For higher corrosion resistance the BTS is available in zinc flake coating as well as stainless steel A4. For woodworking a large washer (outer ? = 44 mm) according to ISO 70984 (DIN 440) is included.

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