Product details:
Carriage Bolt, Inch, Neck Type Square, Basic Material Steel, Material Grade Grade 5, Fastener Finish Zinc Plated, Dia. /Thread Size 5/8 In.-11, Fastener Length 6 in, Fastener Thread Direction Right Hand, Fastener Thread Type UNC (Coarse), ASME B18.5, Drill Size 5/8 in, Head Dia.