Description 10pcs Hard Alloy Tungsten Steel Micro PCB CNC Drill Bits For Circuit Boards PCB drill with carbide tungsten steel material with high hardness high wear resistance high strength anti bending anti breakage etc Specification Material Hard alloy tungsten steel Size 1 0 1 1 0mm 0 1mm 0 2mm 0 3mm 0 4mm 0 5mm 0 6mm 0 7mm 0 8mm 0 9mm 1 0mm 2 0 3 1 2mm 0 3mm 0 4mm 0 5mm 0 6mm 0 7mm 0 8mm 0 9mm 1 0mm 1 1mm 1 2mmColor random deliveryShank Diameter 3 175mmQuantity 1 Set 10pcs Features Suitable for circuit boards electronic SMT mold metal processing telecommunications and other industriesCan be used for drilling iron glass fiber etc Drill has a large scraps discharge space little resistance and smoothly during the scraps discharge Long life it can drill 2000 3000 pcs under normal working conditions Use high quality materials and fine grinding process makes bit more sharp cutting edge reduce cutting force and broken drill improve the quality of hole wall The cutting edges strictly avoid partial hole ensure the quality Notice 1 Please allow 1 3cm error due to manual measurement Pls make sure you do not mind before you bid 2 The color may have different as the difference display pls understand Package Included 1 x set 10 pcs PCB CNC drill Bits color random delivery More Details