PRODUCT SPECIFICATIONSPart #: 0000-203281Fastener Type: Machine Screw Phillips Flat Head Undercut 100 DegreeSize Description: #12-24 x 1/2" (FT)Diameter/Nominal Size: #12Length: 1/2"Wrench Size/Across Flats: PH#3Head Diameter: 0.375-0.412"Head Height: 0.077-0.092"Thread Pitch: 24Thread Pitch Type: CoarseThread Direction: RightThread Coverage: FullSystem of Measurement: InchMaterial: Low Carbon SteelFinish: Zinc PlatedHead Type: Flat Undercut 100 DegreeDrive Type: PhillipsAverage Piece Weight: 0.0046330 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.