5/16"-18 x 3/4" (FT) Coarse Thread Grade 5 Hex Flange Screw with Serration Medium Carbon Steel Zinc Plated Pk 1200

PRODUCT SPECIFICATIONSPart #: 0000-113803Fastener Type: Hex Flange Screw with SerrationSize Description: 5/16"-18 x 3/4" (FT)Diameter/Nominal Size: 5/16"Length: 3/4"Wrench Size/Across Flats: 0.491-0.500"Width Across Corners: 0.548-0.577"Head Height: 0.274-0.298"Flange Diameter: 0.686-0.706"Thread Pitch: 18Thread Pitch Type: CoarseThread Direction: RightThread Coverage: FullSystem of Measurement: InchGrade: 5Material: Medium Carbon SteelFinish: Zinc PlatedHead Type: Hex FlangeDrive Type: External HexAverage Piece Weight: 0.0300000 lbs.Flange screws distributes holding pressure by having a circular shaped flange (external ridge) under the head so that the screw is less likely to come loose; non-serrated variety is also known as a frame bolt.

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