5 mm Overall length L: 150 mm Shank dia Ds: 22 mm Shank square : 18 mm Tapping hole dia : 28.HSS-E-PM Through Hole Machine Tap for Stainless Steel, 30X1. - HSS-E-PM tool material for a high degree of wear resistance - The latest generation of TiALN multi-layer coating - Parameterised flute geometry for optimum chip formation and torsional rigidity Thread type: MF Tool material: HSS E PM Standard: DIN 374 Tolerance class: ISO 2X 6HX Thread pitch: 1.5 Tap Thread Size, TiAlN Coated The 45Deg helix angle of the flutes facilitates chip formation especially in ductile austenitic CrNi steels.