2024 CNC Engraving Drill Bit Set PCB Print Circuit Board Carbide Micro Bits (0.3mm)

1、Use high quality materials and fine grinding process makes bit more sharp cutting edge 2、Drill bit has a large scraps discharge space little resistance and smoothly during the scraps discharge 3、Reduce cutting force and broken drill improve the quality of hole wall 4、Easy to change out and do a great job cutting through the PCB for solder holes 5、Come in a great storage container that is easy to grab the drill bit you need when you need it