GRK GRK-57778 - CALIBURN™ XL CONCRETE SCREW 19/64" X 3-1/2" -25bx Demo Demon hard case design

hard case design

Steel handle covered with anti-slip TPE

Friction Ring

or preparing your project for final assembly

GRK GRK-57778 - CALIBURN™ XL CONCRETE SCREW 19/64" X 3-1/2" -25bx Demo Demon hard case designHeavy Duty Concrete and Masonry Fastener Cailburn Concrete screws are professionally engineered fasteners with a patented thread design for ease of driving the screw into concrete and similar applications. Caliburn Concrete Screws are professionally engineered fasteners with a patented thread design for ease of driving the screw in concrete and similar applications. Available in three different head styles for multiple applications. Caliburn, Caliburn