Flat Head Phillips drive design. Type 17 point course thread for easy, quicker penetration into wood without pre-drilling. Faster than lag screws in exterior structural wood applications. Approved for use in treated lumber. Protected by Grip-Rite's Primeguard Plus lifetime coating for improved corrosion resistance. 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.