The Kreg SPS-C1-100 1 in. 7 Coarse Pan-Head Pocket Screws 100 Count is suitable for a wide variety of indoor projects with limited exposure to the elements. Provide adequate rust protection. Sets below the surface of the wood when joining 1/2 in. stock. All Kreg screws feature a deep #2 square drive, a needle-point self tapping tip, and a case hardened design built for strength.