Stainless Steel Insert Nut 1.ANSI,CE,DIN,BS& non-standard ... 6.8,8.8,9.8,10.9.... Stainless Steel Insert Nut ,Stainless Steel Barrel Nut ,Stainless Steel Blind Nut. ... ,Hex flange head,Round head,Ball head,Button head...Socket typePhillip type,Pozi type,Eleven type,hexagonal type,Torx ... persons in charge of quality control.we random check or total check products in each procedure,products will be ...