Durable Tungsten Steel - Crafted from tough tungsten steel, the 1mm micro drill bit set has wear resistance, high hardness, bending strength, anti-impairment and highly working efficiency. Strong and druble enough to have a long life.
Precise Drilling - With sharp cutting edge, milling groove and clean surface, these 1mm pcb drill can drill efficiently and remove glitches or scrap cleanly.
Versatile Application - Ideal drill bit for circuit boards, CNC engraving plexiglass, 3D Printer Nozzle Cleaning, Amber beeswax, bakelite, jewelery, metal,Fiberglass, plastic and other drilling needs. Compatible with engraving machine, PCB drilling machines, CNC and high precision special drilling equipment.