1.What is the PCB drill bit setting ring？

PCB drill ring is also called the drill bit setting ring or some of the drill bit micelle. It is used in the drilling process of the PCB board. The main purpose is to locate the height of the milling cutter and ship the cutter together to the customer. That is, the product that the customer ultimately needs size.

2.What are the colors of the setting ring  and the colors of the imprinting？

The colors of HyH’s setting rings are various.Regarding the imprinting color, we usually use black and white colors, other colors need special customization.

3.Where are pcb dirll bit setting rings used？

 PCB Router Bits,Milling Tool