Wiseman Threading Tools Hand Tap - Taper Lead Tap - +0.015 Tolerance - M20x2.5Wiseman Threading Tools Hand Tap M20x2. 5, +0. 015 tolerance, Taper Lead Tap is your go to solution for precise, hand cut internal threads in metal components. Built for accuracy and repeatable results, this tap helps you achieve clean, dependable threads every time you repair or assemble machinery, automotive parts, and durable housings. Designed as a taper lead hand tap, it starts the thread with a controlled chamfer and a gentle entry, reducing the