Non Standard Bolts,Hardware 1.ISO,ANSI,JIS,DIN,BS& non-standard ... 8.8,9.8.. Non Standard Bolts,Non Standard Hardware,USA Bolts And Nuts.1.What’s the specification of ... ,Hex flange head,Round head,Ball head,Button head...Socket typesPhillip type,Pozi type,Eleven type,hexagonal type,Torx ... and spanner.When head become thicker,and then the socket is much deeper than some other manufacturers,it is ...