Countersunk head anchor with countersunk head screw - pre-assembled - with ETA approval for concrete also suitable for prestressed concrete hollow slabs, solid bricks, perforated bricks and aerated concrete - a frame anchor for a wide range of substrates - easy to use as the MFR has a uniform setting depth of 70 mm in all substrates.easy handling as the MFR has a uniform setting depth of 70 mm in all bases (MFR 8 of 50 mm) - pre-assembled screws facilitate installation - long expansion range and patented quadruple expansion with lateral bars ensure a secure hold - tested and approved by Fa. Hörmann for fire doors in solid construction materials - material polyamide Further technical features: - Fire resistance: F120

Contents: 50 pieces per carton.