Machine screws have a variety of diameters. Machine screws have machine threads and are often used with nuts as well as driven into tapped holes. They are generally available in smaller sizes, and the smaller the size, the more common it is for them to be simply referred to as screws. Sometimes, machine screws can also be referred to as stove bolts. W.M. Berg has many different sizes of machine screws, all of the binding style. W.M. Berg’s machine screws are made from high quality 18-8 stainless steel and come in a multitude of tap sizes and lengths. W.M. Berg provides excellent and high quality precision parts, and machine screws are no exception.