GRK Fasteners 5/16 or No. 15 in. X 6 in. L Star Black W-Cut Structural Wood Screws

Designed for the Pro, the new black coated RSS structural screws deliver a bold finish to your outdoor and decking applications. The black Climatek coating is approved for exterior use in pressure treated lumber delivering the high-end productivity pros expect from an RSS fastener with a bold finish for exposed applications.