Patent 10480559 was granted and assigned to Simpson Strong-Tie on November, 2019 by the United States Patent and Trademark Office.
A fastener includes a shank having a point at a first end and a second, head end. A head structure at the head end includes a top portion and having a cutting structure, the cutting structure comprising four planar walls, each wall engaging the shank at an angle, each wall adjoining an adjacent wall by a rounded edge.