Diameter: 5mm Length: 16mm Material: Steel Finish: Zinc Head Style: Pan (Phillips) Thread Size: 0.8mm (Coarse) Thread Length: Full Hardness: Class 4.8 Type: Machine Screw Specifications: DIN 7985 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. Commonly used with flat or lockwashers.