25 mm Overall length L: 100 mm Shank dia Ds: 9 mm Shank square : 7 mm Tapping hole dia : 10. - Special geometry for optimum swarf evacuation. - HSS-E-PM tool material for maximum wear resistance. HSS-E-PM Blind Hole Machine Tap, 12X1,25 Tap Thread Size, AlTiX Coated Thread type: MF Tool material: HSS E PM Standard: DIN 374 Tolerance class: ISO 2X 6HX Thread pitch: 1.