Plain washers for assembly

Screws with washers pre-assembled on the screw to prevent loosening and collapse of the support surface.
Special Features:
1. By assembling the washer before machining the screw thread, the washer will not come off from the thread.
2. Eliminates the hassle of setting washers and the worry of losing them, and can improve work efficiency.
3. It also prevents forgetting to assemble the washer. Also called a combination screw.
4. The inner diameter of the washer is small, so it is not easy to come off from the screw threads. There is no fixed use, and it is most suitable for various places.    

Carbon steel flat washer is the most common kind of material, usually using Q235, 65Mn, and other high-quality carbon steel materials. It has high hardness and strength and is suitable for the connection and fixing of most mechanical equipment. However, carbon steel flat washers have low resistance to corrosion and are easy to rust. Carbon steel flat washers are suitable for the connection and fixing of most mechanical equipment. Its hardness and strength are high, and it can withstand large loads and pressures. However, carbon steel flat washers have low resistance to corrosion and need to be prevented from rusting.    

Size Can also be According to the Customer's requirement please check the detailed specification sheet details PDF， CAD, 3-4Page See more product details.    

Packing: The inner packaging consists of polyfoam, while the outer layer is a carton. The carton sizes are 29*19*19.5 cm and 23.5*17.5*8 cm, respectively. The pallet dimensions are 215*100*90 cm, or they can be customized according to your requirements.