Wiseman Threading Tools Taper Lead Metric HSS Tap Left Hand - M42x1.5Introducing the Wiseman Threading Tools Taper Lead Metric HSS Tap Left Hand M42x1. 5, a precision made internal thread cutting tool built to deliver consistent, accurate threads in demanding metalworking tasks. Crafted from high speed steel and ground for a clean, sharp profile, this tap is designed for general purpose use in a variety of materials, offering reliable performance when you need robust, repeatable results. Precision engineering for large