PRODUCT SPECIFICATIONSPart #: 0000-118452Fastener Type: Machine Screw Phillips Flat HeadSize Description: 3/8"-16 x 2 3/4" (FT)Diameter/Nominal Size: 3/8"Length: 2 3/4"Wrench Size/Across Flats: PH#4Head Diameter: 0.670-0.717"Head Height: 0.200-0.230"Thread Pitch: 16Thread Pitch Type: CoarseThread Direction: RightThread Coverage: FullSystem of Measurement: InchMaterial: Low Carbon SteelFinish: Zinc PlatedHead Type: FlatDrive Type: PhillipsAverage Piece Weight: 0.0780000 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.