Tanoi Metric Long Reach Tap Oxide Spiral Point HSS-E V3 for most materials M16x2.0The Tanoi Metric Long Reach Tap with spiral point is a precision threading tool designed for deep or hard to reach internal threads. Built for professionals and serious hobbyists, it delivers consistent, clean thread formation across a wide range of materials, including stainless steel and aluminum. Thread size and pitch: M16x2. 0 for standard, large diameter internal threads. Reach and geometry: Long reach design to access deep holes and tight