There's two varieties of hex screws: An Allen screw contains a hexagonal indent in the head, necessitating an Allen wrench, and the opposite type has no indent inside the hexagonal head and need to be applied or eliminated that has a socket wrench. Not to be puzzled with safety torx, https://mylesxdglo.blogginaway.com/28892111/top-latest-five-wood-screws-urban-news