PRODUCT SPECIFICATIONSPart #: 0000-211591Fastener Type: Machine Screw SEMS Phillips Pan Head Split And Flat WashersSize Description: M5 x 18W10Diameter/Nominal Size: M5Length: 18Wrench Size/Across Flats: PH#2Head Diameter: 8.40-9.00MMHead Height: 3.15-3.45MMFlange Diameter: 9.65-10.00MMFlange Thickness: 0.09-1.10MMThread Coverage: FullSystem of Measurement: MetricMaterial: Low Carbon SteelFinish: Zinc PlatedHead Type: PanDrive Type: PhillipsAverage Piece Weight: 0.0089200 lbs.Machine screws have a uniform diameter the entire length of the shaft as opposed to tapered screws which have a pointed tip; are primarily used to fasten machine components, appliances and many more.