Versadrive Combo InsertFoam Set, 6.8/8.5/10.5/14mm TurboTip + M8, M10, M12, M16 TapsVersaDrive TurboTip Impact drill bits are stepped tip bits that drill at twice the speed of standard bits without the need for pilot drilling while cutting a perfectly round hole. Turbocharge your drilling performance by using this revolutionary tool with an Impact Wrench or Impact Driver. Double hardened and titanium coated for faster drilling & reduced wear. VersaDrive TurboTip drill bits have a patented non slip, Hex shank suitable for use in any