Pack of 100 direct anchor screws for solid materials. Headprint: T30 star. This screw for direct fastening is an essential component for assembling several parts by pressure. It consists of a countersunk head and a threaded rod. The assembly that is done with this screw is an easily removable assembly if necessary. It is a mechanical part widely used in building construction and routine home maintenance Dimensions: Screw diameter: 7.5mm. Screw length: 82mm. Unit weight: 13.8g. Material: galvanized steel. Recommended: to screw the screw effectively you will need a suitable star T screwdriver bit. The advantage: the use of a bit except its tightening precision is that it will not damage the head of the screw, but also you will avoid the risk of being injured This taper head dowelless concrete screw is specially designed to penetrate concrete quickly. To screw the screw it is necessary a hole previously drilled in the concrete. Robust and efficient, this direct anchor screw is the perfect solution for obtaining precise fixing A fully threaded countersunk head screw developed for better assembly to durable elements for example: windows, door frames, carpentry. Direct mount screws without plugs are recognized for their reliability, simplicity and solidity Concrete screws for assembly of high hardness elements - these concrete screws are very resistant to tearing as well as breaking. Application: building construction, concrete slabs, carpentry work, interior and exterior fittings, renovation