Spiral Flute Tap: M16x2, 3 Flute, Bottoming Chamfer, 6H Class of Fit, Cobalt, Oxide Finish
27.70 mm Thread Length, Right Hand Flute, Right Hand Thread, D7, Series GOtap
HSS-E substrate with black oxide surface treatment. Use in a variety of materials, including steel, stainless steel, and ductile iron. Not recommended for non-ferrous materials.