Fire protection bolt tie with conical countersunk head, drive T20, drill hole 4 mm. Fire protection tested according to DIN 4102. Fire resistance class to F90.
SubstrateThe bolt ties are suitable for screwing into the following types of masonry:- Calcareous sandstone – full brick (KSV)- Calcareous sandstone – follow brick (KSL)- Whole brick (Vz)
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