Pack of 100 direct anchor screws for solid materials. Head type: T30 star. This direct fixing screw is designed for assembling multiple components through pressure. It features a countersunk head and a threaded shaft. Assemblies made with this screw can be easily disassembled if needed. It is a mechanical fastener commonly used in building construction and general home maintenance. Dimensions: Screw diameter: 7.5mm. Screw length: 82mm. Unit weight: 13.8g. Material: Galvanized steel. Recommendation: To install this screw properly, use a compatible T30 star screwdriver bit. Using the correct bit ensures tightening precision, prevents damage to the screw head, and reduces the risk of injury. This concrete anchor screw is designed for quick penetration into concrete. A pilot hole must be drilled before installation. Durable and efficient, this direct anchoring screw provides secure and precise fastening. Fully threaded with a countersunk head, this screw is ideal for strong, long-lasting connections in materials such as windows, door frames, and woodwork. Direct mounting screws eliminate the need for anchors, offering reliable, simple, and solid installation. Concrete screws for securing components in high-strength materials. These screws offer high resistance to pull-out and breakage. Suitable for applications in building construction, concrete slabs, carpentry, interior and exterior fittings, and renovation projects.