Blind Insert Nut 1.Materials:Carbon Steel 2.Diameter:M3~M12 3.Head:Flat,Countersunk,Small Countersunk 4.Finish:Zinc Blind Insert NutHigh quality and Best price1.Materials:Carbon Steel2.Diameter:M3~M123.Head:Flat,Countersunk,Small Countersunk4.Finish:Zinc5.Packing:Bulk or Small Box,According to customer requirement Blind Insert Nut