10pcs Circuit Board PCB Drill Bits Kit Carbide Steel Drill Bit Set Shank PCB Mini Carbide Drill Bit Set Details: * new and high quality. *Drilling rig waste discharging space is large, resistance is small, and debris discharging is stable. *Use high-quality materials and fine grinding technology to make the cutting edge er, reduce cutting force and drill breakage, and improve the quality of hole wall. *Design of calibration ring to improve work efficiency *Strictly avoid local holes and ensure the quality of trimming. *Long service life, 2000-5000 drills can be drilled under normal working conditions, and 4-5 times can be regrinded. *It is suitable for drilling of acrylic board, wood board, PVC board, circuit board, aluminium board and other materials. *Color: As Pictures Show *Material: Carbide *Packaging size: 88*53*10mm/3.46*2.09*0.39" *Optional Size: 0.1mm,0.2mm,0.3mm,0.4mm,0.5mm,0.6mm,0.7mm,0.8mm,0.9mm,1.0,mm Package Contents: 10*PCB Drill Bits Note: The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. _x000D_