VersaDrive Heavy Duty Impacta-Drill Taps are an industrial metalwork or fabrication tool for drilling and tapping heavy steel in one easy operation.Primarily they are designed to be used with a reversible Magnet drill, although they can also be adapted for use with an impact wrench to enlarge and tap existing holes.With a drill point optimised for use in fixed drilling machines like Magnetic Drills or Pillar drills, these are not recommended for use in a pistol drill. Where they are to used with an impact wrench to enlarge and tap holes pilot drilling is recommended with a separate drill bit.Fast Tapping with Minimal KickbackSpecially hardened for Impact Wrench useHigh Grade Tool Steel for high accuracy & long lifeGoldMax low-friction titanium coating to stop burn-outHigh strength, non-slip shank designUnique Dual-Point Starting Angle for easy alignment & fast cutChipbreaker action for Automatic chip clearance when Impact Tapping