uxcell Combination Drill and Tap Bit Set - Vacuum Titanium Coated High-speed Steel 6pcs M3 M4 M5 M6 M8 M10

Drill and Tap Bits Bit size M3x05 M4x07 M5x08 M6x1 M8x125 M10x15 Can complete hole drilling tapping deburring and countersinking Onestep operation greatly saves processing steps and improves working efficiency Quick Change 14 635mm hex shank can be used on power tools more easily and securely The shank has a tapered end It exceeds the tap to prevent threads damage from overdrilling Material Coating Highspeed steel taps features high hardness wear resistance and durability Bluing process is for corrosion resistance capability and long service life Wide Applications Drill tap bits can drill or tap accurately on wood plastic copper brass aluminum ironNote not work well with high hardness metal Selfcentering point do not need assistant center drilling or center punching Easy to Use Suitable for most hand electric drills cordless drills impact drills and other tap machine Drill tap bits are engraved with accurate sizes for easy identification