General description The TIMco Multi-Fix screw provides a rapid and effective light-duty anchoring system suitable for fixing into various materials including concrete, brick, stone, concrete block, and wood. This innovative concrete screw features a 30mm hi-lo starting thread that facilitates quick installation and efficient debris removal, ensuring a secure fixing in most substrates. It serves as a single solution, replacing traditional fixings such as nylon frame and hammer fixings. Technical specifications Size: 7.5mm x 120mm Drill Hole: 6.0mm Driver Bit Size: T30 Colour/Plating: Zinc & Yellow Passivated Thread Type: Serrated V-threads for optimum insertion Head Type: Flat countersunk head with five locking ribs Material: All steel Other information This product is designed to conform to BS 7671 standards, 18th edition, which requires wiring systems to be supported by materials that are unlikely to prematurely collapse in the event of a fire.