Grip-Rite PrimeGuard Plus 3/8 In. x 3-1/2 In. Dual Drive Hex Washer Head Structural Screw (20-Count)

Grip-Rite Dual Drive Hex 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 guaranteed to last the life of your project.

Easily identifiable packaging provides clear iconography that identifies use cases and lists lateral load values.

We also include a three-digit, ICC-recognized code stamped into the head for spec referencing.

Engineered to replace lag screws, Grip-Rite Structural Screws feature a T 17 point that removes the need for pre-drilling.

Aggressive coarse threads and dual drive allow for maximum torque with increased connection between tool tip and fastener.

Ideal for use in fastening wood, composites, light gauge metal and other materials in structural applications.

Choose between the dual drive hex head or flat washer head star drive for maximum flexibility.