Purchase Qty. Reference FOB Price
500-999 Pieces US$0.05
1,000+ Pieces US$0.04
Product Description
DIN9021 washers is placed between the connected piece and the nut. Generally, it is a flat metal ring for protecting the surface of the connected member from the nut and the pressure of the dispersing nut against the connected member. Best competitive Advantages, 1.Strict quality control. ...