Technical Parameters and Drawings HE Code Bolt Dia. Dimensions(in) Wt./1000 ΦD A B C kg HN1/4 1/4″ 1/4″ 7/32″ 1/2“ 7/16″ 3.33 HN3/8 3/8″ 3/8″ 21/64″ 5/8″ 5/8″ 9.07 HN1/2...