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Billy Goats are of 410 SS and are designed to secure a host of materials including fiberglass, composites, fiber cement, wood, metal, and gypsum board to wood or metal studs. Billy Goats are available in a variety of head, thread, and drive configurations.
Billy Goat Marutex Self-Drilling Indented Hex Washer Heads are a hand-drive screw with #3 drill points and tapping screw threads used to fasten fiberglass, fiber cement and aluminum. Marutex is a special stainless steel specifically designed for demanding installation projects. This hardened stainless steel features strength properties similar to carbon steel. Investing in this material will protect your projects from harsh environments. Also available with bonded sealing washers.