Perma-Sealâ„¢ Self-Tapping Concrete Screw, Phillips Flat Head, Blue, 3/16" X 4"
The Snake Anchor is an all-steel, self-tapping, machine bolt anchor designed for use in concrete and is suitable for overhead applications. The anchor can be installed with a wrench or with a power tool and mechanically interlocks with the base material. A hammer is not required for installation.