KnKut 18 Piece Metric Tap/Drill Bit Set KnKut 18 Piece Metric Tap/Drill Bit SetKnKut Metric Tap & Drill Bit Set pairs the correct drill bit for each tap in this set. No more charts or guess work. High Speed Steel Spiral point taps clean and accurate threads in stainless steels and other hard metals. High Speed Steel Jobber Length Drill Bits feature a 135° split point with a nitride treatment giving you the hardness you need to drill tough metals such as titanium alloy and stainless steel.Made In USANo Center Punch or Pilot Hole required for drill bitTap & Drill Bit SetSpiral Point ConstructionClean, Accurate ThreadingCuts Stainless Steel and Titanium Alloy KK18TDM