Concrete Frame ScrewsPack of 100Flat countersunk screws.Yellow passivated to prevent corrosion.Screw size: 7.5 x 102mm.Drill Size: 6mm.Head: T30 Torx.Ideal for fixing window and door frames, timber beams & battens.The next generation of frame fixings, no additional nylon plugs required.Serrated V-threads to achieve optimum insertion into all masonry types.Suitable for fixing to concrete, solid brick, perforated brick, hollow blocks & natural stone.For other screws and fixing please visit our shop.Specification:Size: 7.5 x 102mm.Drill size: 6mm.Quantity: 100.Yellow Passivated.Thread direction: Right Hand.Driving features: T30 Torx.Head shape: Countersunk.