The screw usually has a unique appearance design, which can play a role in beautifying the product and increase the value and attractiveness of the product. The plum groove screw is a special shape screw, and its role mainly has the following aspects: 1. Fixing function: The plum slot screw can be screwed into the threaded hole to make the two objects closely connected together and play a fixed role. 2. Anti-loosening effect: the plum groove screws usually have a locking function, and can be prevented from loosening the screws during vibration or use through a special plum groove design. 3. Aesthetic effect: plum groove screws usually have a unique appearance design, which can play a role in beautifying the product and increase the value and attractiveness of the product. In general, plum groove screws are widely used in machinery, electronics, furniture and other fields, playing a variety of roles such as connection, adjustment, anti-loosening and aesthetics.