Stainless Steel Insert Nut 1.ANSI,CE,DIN,BS& non-standard fastener supply ... ,6.8,8.8,9.8,10.9.... Stainless Steel Insert Nut ,Stainless Steel Barrel Nut ,Stainless Steel Blind Nut. 1 ... materials accordingto customer's demand .ThreadType "M","UNC","UNF","BSW"thread are available.Head typeHexagon head,Mushroom head,Pan head,Countersunk ...