HOLEX Pro Tap general-purpose tap. Sturdy design suitable for a wide spectrum of materials. Improved HSS-E tool material with low-friction TiN coating. Thread type: MF Tool material: HSS E Standard: DIN 374 Tolerance class: ISO 2 6H Thread pitch: 1 mm Overall length L: 90 mm Shank dia Ds: 7 mm Shank square : 5.5 mm Tapping hole dia : 9 mm