Wiseman Threading Tools Hand Tap - Second Lead Tap - +0.002 Tolerance - M5x0.8Wiseman Threading Tools Hand Tap Second Lead Tap, +0. 002 Tolerance, M5x0. 8 Designed for the discerning metalworker, this Wiseman hand tap is built to deliver consistently accurate internal threads by hand. With a tight +0. 002 tolerance, it ensures the finished hole accepts fasteners cleanly and securely, reducing the chance of cross threading or loose fits in critical assemblies. What sets the second lead geometry apart is its efficient cutting