ITEM NAME:10PCS/set PCB Print Circuit Board Carbide Micro Drill Engraving Bits 0.3mm NSO Descriptio n Features: Fine grinding process makes sharp cutting edge, reduce cutting force and breaking drill, improve the quality of hole wall. This drill bits set has 10 different sizes to fit your different needs. Strictly symmetrical cutting edge makes for high performance cutting and avoids drilling deviation. Sharp and twisted flute will make the drilling be more easy and effortless. Great for PC boards, circuit boards, plastics, fiberglass, wood, soft metals, etc. Specifications: Material: Cemented Car.10pcs x Drill Bits. This drill bits set has 10 different sizes to fit your different needs. Fine grinding process makes sharp cutting edge, reduce cutting force and breaking drill, improve the quality of hole wall.
