Seco Threadmaster™ Spiral Flute Tap, Helix Blind Hole, Measurement System: Metric, 12.2 mm Size, ISO Thread Standard, MF12x1.5 Thread, Modified Bottoming Chamfer, 4 Flutes, HSS-E-PM, ACN Coated, Class of Fit: 6HX, 21 mm Thread Length, 100 mm Overall Length, 9 mm Shank Diameter, 6HX Thread Limit, Superalloy and Titanium Material Application, Through Coolant: No