Carriage Bolt, Inch, Neck Type Square, Basic Material Steel, Material Grade Grade 5, Fastener Finish Plain, Dia./Thread Size 3/4 In.-10, Fastener Length 7 in, Fastener Thread Direction Right Hand, Fastener Thread Type UNC (Coarse), ASME B18.5, SAE J429, Drill Size 49/64 in, Head Dia. 1.594 in, Head Height 25/64 in, Head Type Round, Square Height 0.406 in, Square Width 0.768 in, Tensile Strength 120,000 psi, For Use With Grade 5 Hex Nuts, Package Quantity 5