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 5/16 In.-18, Fastener Length 1 in, Fastener Thread Direction Right Hand, Fastener Thread Type UNC (Coarse), ASME B18.5, Drill Size 5/16 in, Head Dia. 0.688 in to 0.719 in, Head Height 11/64 in, Head Type Round, Square Height 0.156 in to 0.187 in, Square Width 0.307 in to 0.324 in, Tensile Strength 74,000 psi, Package Quantity 800