CONCRETE SCREW FISCHER A4 12x110 50/35/10US A4 20 PC

Fischer concrete screw ULTRACUT FBS II US A4 is a highly efficient anchoring solution for rapid installation. Shank type: US hex head/17 mm wrench size. The concrete screw with a fixed washer is ideal for outdoor or damp environment fixings. The thread geometry enables fast and easy installation. No hole cleaning is required for ceiling or floor installations. The non-expanding screw fixation ensures small edge and axial distances. European technical approval for cracked and uncracked concrete as well as seismic loads and classification to fire resistance class R 120 guarantee even greater safety. This product description is an automated translation of the original Finnish description.