Wiseman Threading Tools Spiral Flute - +0.015 Tolerance - M16x2Wiseman Threading Tools Spiral Flute Tap, M16x2 with +0. 015 tolerance is built for precision in internal threading, delivering clean, repeatable threads in demanding workpieces. Designed to cut with a focus on reliability, this tap helps you achieve accurate fit and finish in critical assemblies without guesswork. The standout feature is the spiral flute design, engineered to actively evacuate chips as you cut. That means fewer interruptions from