Pack of 100 direct anchor screws for solid materials. Head type: T30 star. This direct fastening screw is designed for assembling multiple components under 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: 62mm. Unit weight: 10.90g. Material: Galvanized steel. Recommendation: For effective installation, 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 flat head concrete screw is engineered for quick penetration into concrete. A pilot hole must be drilled prior to installation. Durable and efficient, this direct anchor screw provides secure and precise fastening. Fully threaded countersunk head screws are designed for strong, long-lasting connections in materials such as windows, door frames, and wood structures. Direct mount screws eliminate the need for anchors, offering reliable, simple, and solid installation. Concrete screws for securing high-strength materials. These screws offer high resistance to pull-out and breakage. Ideal for use in building construction, concrete slabs, carpentry, interior and exterior fixtures, and renovation projects.