PRODUCT SPECIFICATIONSPart #: 0000-201226Fastener Type: Machine Screw 6 Lobe Flat HeadSize Description: M2 x 0.40 x 12Diameter/Nominal Size: M2Length: 12Wrench Size/Across Flats: T6Head Diameter: 3.50-3.80MMHead Height: 1.20MMThread Pitch: 0.40Thread Pitch Type: CoarseThread Direction: RightThread Coverage: FullSystem of Measurement: MetricMaterial: Stainless Steel 18-8Finish: Plain Finish (No Plating)Head Type: FlatDrive Type: 6 LobeStandards Met: ISO 14581Average Piece Weight: 0.0005500 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.