Exact Crimp Tools & Dies CNC tap 630868 - Exact 42155, The Exact 42155 CNC tap is a high-quality machining tool designed for creating metric M2.5 threads with a 0.45 mm pitch. Made from HSS-E material, it features a right-hand cutting direction and conforms to DIN 371 standards. This tool is typically used in precision engineering and manufacturing processes that require accurate threading. Exact 42155 CNC Tap M2.5 0.45mm RH Cutting HSS-E Shape B 1pc