Carriage Bolt, Inch, Neck Type Square, Basic Material Steel, Material Grade Grade A, Fastener Finish Plain, Dia./Thread Size 1/4 In.-20, Fastener Length 3 in, Fastener Thread Direction Right Hand, Fastener Thread Type UNC (Coarse), ASME B18.5, Drill Size 1/4 in, Head Dia. 0.563 in to 0.594 in, Head Height 9/64 in, Head Type Round, Square Height 0.125 in to 0.156 in, Square Width 0.245 in to 0.260 in, Tensile Strength 74,000 psi, Package Quantity 600
Carriage Bolt, Inch, Neck Type Square, Basic Material Steel, Material Grade Grade A, Fastener Finish Plain, Dia./Thread Size 7/16 In.-14, Fastener Length 2 1/2 in, Fastener Thread Direction Right Hand, Fastener Thread Type UNC (Coarse), ASME B18.5, Drill Size 7/16 in, Head Dia. 0.907 in to 0.969 in, Head Height 15/64 in, Head Type Round, Square Height 0.219 in to 0.250 in, Square Width 0.431 in to 0.452 in, Tensile Strength 74,000 psi, For Use With Grade 2 Hex Nuts, Package Quantity 25