Grip-Rite GRSSHW51631820 Screw, 5/16 in Thread, 3-1/8 in L, Coarse Thread, Hex Washer Head, Hex, Star Drive, Wood

Grip-Rite® structural screws offer versatility, speed and longevity in load bearing exterior wood construction projects. Available in both traditional flat head and hex head styles, the hex head features Grip-Rite®'s exclusive dual drive power, which brings flexibility to the job site with a unique combined hex washer/star drive recess head, offering the user a choice of using the included hex driver or a star drive bit to fasten the screw. Both styles include an ID code stamped right into the head for easy spec reference and a load value chart conveniently located on every package. As a replacement for lag screws, Grip-Rite® structural screws feature a Type 17 point that translates to both efficiency and time savings by eliminating the need to pre-drill pilot holes. Our premium PrimeGuard Plus coating assures that Grip-Rite® structural screws will last throughout a project's lifetime. Easily identifiable, cobalt blue packaging features easy to read iconography, lateral load value references and a scannable QR code that links directly to the ICC report for technical specifications. A three digit, ICC recognized code is stamped into the head for easy spec reference and a load value chart is conveniently located on every package. Grip-Rite® structural screws are a great replacement for lag screws.