BBI 490105 Undersized Carriage Bolt, 3/4-10, 18 in L Under Head, Medium Carbon Steel, A Grade, Hot Dipped Galvanized

BBI Carriage Bolt, Undersized, Measurement System: Imperial, 3/4-10 Thread, 18 in Length Under Head, Medium Carbon Steel, A Grade, Hot Dipped Galvanized, 1.594 in Diameter Head, 0.406 in Neck, Square Neck, 6 in Thread Length, 0.768 in Drive, UNC Thread, Square Drive, Material Specification: ASTM A307, Round Head