PFC 3/4"-10 NC x 6" Grade A Hex Head Bolt Hot Dip Galvanized - (Sold Each) 3/4" Diameter with 10 NC Thread (National Course) 6" Length (Length is measured from under the head) Grade A Low Carbon Steel Hex Head Bolt (Meets ASTM A307 & ASME B18.2.1) Hot Dip Galvanized (HDG) to meet ASTM A153 Sold Individually (1 each)