Features: Experience unparalleled precise with the pcb drill bits, designed for high durability and accuracy in intricate drilling tasks. These drill bits feature a sharpness cutting edge and spirals flutes that minimize cutting force and prevent breakage, ensuring clean and precise holes everytimes. For electronics engineers, DIYer enthusiasts, and professional circuit board manufacturers seeking reliable tool for detailed pcb drilling. Perfectly suited for use in pcb drilling machines, engraving machines, and other high precise drilling devices, making it versatiled for various applications including plastic, fiberglass, wood, and soft metals. With a robusts designs that includes a large chip space for smooth chip removal and reduced heat generation, these drill bits are a essential addition to any toolkit focused on precise and efficiency. Specifications: Component:Wolfram Steel Size:Approx.0.6mm/0.8mm/1.0mm/1.2mm/0.10-14.0mm/1.10-2.0mm Package Includes: 10pcs Drill Bits note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.