The hexagonal head anchor screw with flange is an assembly element which allows direct mounting without dowels in concrete or in solid materials without risk of bursting. This screw is very practical when fixing close to edges. The screw is used to support heavy loads in concrete, solid brick, cracked concrete, masonry, solid block. Are you interested in discovering the effectiveness of this extremely reliable fixing device? Dimensions: Screw diameter: 12 mm. Length of screw under head L1: 100 mm. Total length of screw L: 109 mm. Pre-drilling diameter: 10 mm. For SW hex key: 14 mm. Maximum thickness of the part to be fixed: 10 mm (equivalent to the length of the non-threaded part under the head). Unit weight: 70.30 g. Material: steel. Silver color. The advantage: This anchor screw has a double thread for easier installation and quick evacuation of dust from the concrete. The hexagonal head dowelless concrete screw with flange for mounting direct into solid materials is to quickly penetrate concrete. To screw in the screw you need a hole previously drilled in the concrete. It is recommended to clean the hole before driving this screw. For fixing, you can use a wrench, impact drill or ratchet wrench. Please pay attention to the diameter of the drill bit. Hexagonal head screw developed for better assembly to durable elements. Concrete anchor screws are widely used in masonry for quick and secure fixing. A favorite item for all DIYers and professionals. Application: balustrades, public seats, construction of buildings, concrete slabs, carpentry work, interior and exterior fittings, renovation, fixing garden gates or fence posts. Good to know: These concrete screws for assembling high hardness elements are very resistant to tearing as well as breakage. The notches under the collar will ensure better stability when the screw is fixed. Usage: hexagonal head anchor screws without dowel are recognized for their reliability, simplicity and solidity. Assembly/disassembly is quick and simple. Do you want to try it?