The GripIt 25mm Flat Drill Bit is designed for quick, accurate drilling of holes in plasterboard and drywall when installing 25mm Blue GripIt cavity wall fixings. Manufactured from durable steel with a flat cutting head and hexagonal shank, it provides clean, correctly sized holes to help ensure secure fixing installation. Suitable for use with standard power drills, this drill bit is ideal for plasterboard fixing applications, general DIY and installation work. Supplied loose as a single drill bit.