1. Top shape: the crown drill has a sharp cone shape, and the shovel drill has a smooth arc shape.
2. Scope of application: Crown drill is mainly used for high-grade jewelry or jewelry collection, and shovel drill is used to improve the drill bit, which has a wide range of applications.
3. Cost and price: Because the cutting of crown drill requires more manual skills, its cost is relatively high and the price is expensive. In contrast, the cost and price of shovel drilling may be lower.
4. Aesthetic features: the crown drill has a sharp three-dimensional top, which is more suitable for formal occasions or people who need to show their identity, while the shovel drill has a wide and flat top, giving people a comfortable and natural feeling.
To sum up, crown drill and shovel drill are different in top shape, scope of application, cost and price and aesthetic characteristics, and can be selected according to needs.