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3/8"-16 x 2 1/2" A307 Grade A Square Head Machine Bolt Low Carbon Steel Hot Dip Galvanized Pk 325
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About 3/8"-16 X 2 1/2" A307 Grade A Square Head Machine
PRODUCT SPECIFICATIONSPart #: 0000-118959Fastener Type: Square Head Machine BoltSize Description: 3/8"-16 x 2 1/2"Diameter/Nominal Size: 3/8"Length: 2 1/2"Wrench Size/Across Flats: 0.544-0.562"Width Across Corners: 0.747-0.795"Head Height: 0.232-0.268"Thread Pitch: 16Thread Direction: RightSystem of Measurement: InchGrade: A (2)Material: Low Carbon SteelFinish: Hot Dip GalvanizedHead Type: SquareDrive Type: External SquareStandards Met: A307Average Piece Weight: 0.0852000 lbs.Square head bolts, or square head machine bolts offer a large bearing area for positive gripping; primarily used nowadays for aesthetic projects that create a rustic look or to match existing fasteners; comes in both fully threaded and partially threaded pitches. Square head bolts are sometimes selected over hex heads because the head will fit neatly in a channel.
