Wiseman Threading Tools Spiral Point - +0.015 Tolerance - M16x2The Wiseman Threading Tools Spiral Point Tap is engineered for engineers and machinists who demand repeatable, precise thread formation in metric right hand threads. With a dedicated spiral point design, also known as a gun nose, this tap drives chips forward along the thread path, promoting cleaner starts, reduced rubbing, and steadier feed during tapping. The result is straight, accurate threads from the first cut to the last, even on through holes