Introduction to the hole opener

The hole opener has different apersizes and specifications according to different sizes of the circle, and according to the different depth of the hole opening, it is divided into two categories: standard hole opener and deep-load hole opener, which is installed on electric tools such as hand drill, percussion drill and rocker arm drill.

There are two common types of fixed diameter and variable diameter (aircraft type), and variable diameter openings are often used for indoor and outdoor decoration.

Fixed diameter hole opener, and there are ordinary type, impact type, water-cooled type, of which water-cooled type is often used for wall opening, high efficiency, opening more beautiful.

According to the material classification: bimetal hole opener, carbide hole opener, diamond hole opener. Different materials used to cut the material is not the same, the most commonly used is bimetal opener, hard metal materials recommended to use cemented carbide, glass, carbon fiber, ceramics and other easily broken materials recommended to use diamond opener.