1.materials: low carbon steel,high tensile, stainless steel
2.finish: zinc plated,black finished,yellow cu,purple cu, hot-dip galvanized and so on
3 .Can be made according to the following standards: ISO, BS,DIN,JIN, ANSI,AMSE. non-standards can be made according to customers' drawings or samples
4. providing different specifications, such as: square nuts, hexagon nuts, wing nuts, lifting nuts, acorn nuts, tjght nuts, knurled nuts, lnsert round nuts, small round nuts, round nuts

diameter from M3-M36