A machine screw, also called a stove bolt, is generally a smaller fastener threaded the entire length of its shank. Machine screws are used in fastening nearly all types of hard materials. Especially useful in metal-to-metal or where heavy duty fastening is required. As the industrys most trusted fastener supplier, Midwest Fastener has earned a reputation for delivering a complete line of high-quality bulk and construction fasteners to meet consumer needs. Contractors and DIYers alike have come to depend on Midwest Fastener to provide them with the critical parts and fasteners necessary to ensure the success of their projects.