Caliburn XL Concrete Screws

Cailburn™ Concrete screws are professionally engineered fasteners with a patent-ed thread design for ease of driving the screw in concrete and similar applications.Available in three different head designs for multiple applications with the recommended GRK™ Drill Bits. Caliburn™, Caliburn™ PH and Caliburn™ XL are Climatek™ coated for high corrosion resistance.