1. Standard: DIN,JIS,ANSI & GB9.22-76

2. Material: Carbon steel,Copper, Iron & stainless steel

3.Color : Silver, Black and other colors

4. Diameter: from M1.2-M8.0

All of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world. We have more than 30 years' experience of making fasteners and we have our own engineer to ensure the quality and dimension. We have the full set of QC equipments to test our products to meet the clients requests.