正六边形窝定螺钉

1.hexagon socket set screws 2.standard DIN913,DIN914,DIN915,DIN916,DIN916K 3.material alloy steel A2 A4 SUS304 SUS316 4.size M1.5-M30 2#-1" Established in 2005, Shanghai Shenshang Hardware Electrical Co., Ltd. is a manufacturer and trader specialized in the research, development and production of non-standard fasteners. We are located in Dalian, with convenient transportation access. All of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world.If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. We are looking forward to forming successful business relationships with new clients around the world in the near future.