Grip-Rite GRSSFW516650 Structural Screw, 5/16 in Thread, 6 in L, Coarse Thread, Flat Washer Head, Star Drive, Steel, 50

Grip-Rite® flat washer head structural screws are a versatile fastener intended for use in load bearing exterior construction projects. With our premium PrimeGuard® Plus® coating, these structural screws are assures to last the life of your project. To help contractors and inspectors ensure the proper load values are supplied, we use clear iconography to identify use cases. Accessing ICC reports is only a click away with the QR code included on each box. Individual fasteners include a three digit ICC-recognized code stamped in the head for quick spec reference. Grip-Rite® flat washer head structural screws are engineered with the power needed to replace lag screws. With a T17 point and aggressive coarse threads, installation is a seamless process that doesn't require pre-drilling. Ideal for use with a variety of materials, including wood, composites and light gauge metal, in structural applications. Our flat washer head fasteners use a star drive type for secure connection between the tool tip and fastener for a strong connection.