【Strong and Durable】Made of high quality tungsten steel, these micro drill bit sets are of higly wear resistance, high hardness, bending strength, anti-impairment and highly working efficiency. Strong and druble enough to have a long life.
【High Precision】 Supported by sharp cutting edge, milling groove and clean surface, these micro drill can work quickly and cleanly, without leaving glitches or scrap.
【Wide Application】Great for 3D Printer Nozzle Cleaning, Amber beeswax, circuit boards, bakelite, CNC engraving plexiglass, jewelery, metal,Fiberglass, plastic and other precision drilling. Suitable for PCB drilling machines, engraving machine, CNC and high precision special drilling equipment.