This is an ultra-high precision dust-free orbital saw. In order to highlight the ultra-high precision technology of the product, we have adopted a functional explicit design method. Two display screens are set up on the depth gauge and angle gauge that need to be read. The numbers can be accurate to the 0.1. The observation reading is very intuitive and conveys the user's sense of professionalism and reliability. The head of the circular saw is equipped with an anti-burr block, and the cutting section is clean, combined with an external industrial vacuum cleaner, it is easy to achieve the purpose of dust-free, and bid farewell to the dirty and messy working environment.