The hexagonal head anchor screw with flange is a fastening element that allows direct mounting without dowels in concrete or solid materials without the risk of bursting. This screw is very practical when fixing near edges. The screw is used to support heavy loads in concrete, solid brick, cracked concrete, masonry, solid concrete block. Are you interested in discovering the effectiveness of this extremely reliable fixing device? Dimensions: Screw diameter: Ø12 mm. Length of the screw under the head L1: 100 mm. Total length of the screw L: 109 mm. Pre-drilling diameter: 10 mm. For hexagon key SW: 14 mm. Maximum thickness of the part to be fixed: 10 mm (equivalent to the length of the unthreaded part under the head). Unit weight: 70.30 g. Material: steel. Color: silver. The advantage: This anchor screw has a double thread for easier installation and quick removal of concrete dust. The anchor-free concrete screw with a hexagonal head and collar for direct mounting in solid materials is