SEQUAL® 150mm (Pack of 20) Easy Drive Countersunk Direct Concrete Screws. No Plugs Needed Concrete Screw Pack Countersunk Screw with Torx Head, T30 Torx Driver Bit Included in Every Screw Pack. :
16mm x 150mm Hex Head Concrete Screws - Galvanised Steel
7.5 x 150mm Multi Fix Concrete Screw ZYP | TWS Plastics Online Store