GRK

19/64" x 3-1/2" GRK Caliburn Concrete Screw

19/64" x 3-1/2" GRK Caliburn Concrete Screw with heavy duty threads that lock into the concrete. Ideal for anchoring deck railing posts to concrete surfaces. Star drive head eliminates stripping.

5/16" x 4" GRK Stainless Steel Wood Screw

GRK 5/16" x 4" Stainless Steel Wood Screw. A general purpose wood screw with many uses in fencing, decking, & outdoor projects. Works great for attaching railing posts to wood, composite, or...