Carriage Bolt, Inch, Neck Type Square, Basic Material Steel, Material Grade Grade 5, Fastener Finish Zinc Plated, Dia./Thread Size 5/16 In.-18, Fastener Length 3 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 120,000 psi, Package Quantity 50
Hex Head Cap Screw, System of Measurement Inch, Basic Material Steel, Material Grade Grade 8, Fastener Finish Zinc Yellow, Dia./Thread Size 1/4 In.-20, Fastener Length 2 1/2 in, Fastener Thread Direction Right Hand, Fastener Thread Type UNC (Coarse), Fastener Thread Style Fully Threaded, Fastener Industry Standards ASME B18.2.1, Head Type Hex, Head Height 11/64 in, Head Width 7/16 in, Package Quantity 50