Carriage Bolt, Inch, Neck Type Square, Basic Material Steel, Material Grade Grade A, Fastener Finish Zinc Plated, Dia. /Thread Size 3/8 In. -16, Fastener Length 1 1/4 in, Fastener Thread Direction Right Hand, Fastener Thread Type UNC (Coarse), ASME B 18.5, Drill Size 25/64 in, Head Dia. 0.782 in to 0.844 in, Head Height 13/64 in, Head Type Round, Square Height 0.188 in to 0.219 in, Square Width 0.368 in to 0.388 in, Tensile Strength 74, 000 psi, For Use With Grade A Zinc Nuts, Package Quantity 100.
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