| Material | Carbon steel, stainless steel (SWRCH35K/4oCr/SCM435/10B21/C1018)  | 
| Grade | 8.8/9.8/10.9/12.9 | 
| Size Range | M3-M10 | 
| Product Range | Bolt , U bolt , Studs , Threaded Bar , Nut , Washers ,Machining Parts | 
| Surface Treatment | Black,zinc-plating,H.D.G,dacromet,etc. | 
