| Finish | Description | 
| Zinc | Various color can be choosed and perfect on anti-corrosion | 
| Nickel | Making the surface more bright and hardened and the performance of screws will be improved | 
| Polish | Improving the brightness of surface but is inferior is not as zinc in anti-corrosion | 
| Tin | It is very perfect to be anti-rust , and widely used to components | 
| Brass | It is usually used with Nickel for more good anti-corrrosion. | 
| Paint | Its powder paint with colors to prevent surface from rust. | 
| Oxide | Oxide is often black color | 
| Chrome | Chrome finish can improve the surface hardness of parts , and keep plating color in long time and corrosion resistance . | 



