M16 x 2 Spiral Flute Semi-Bottoming DIN 376 Small Shank Tap, HSS-E-PM (PM Cobalt), D7/D8, TiAlN Coated Type: Grey Ring,Number of Flutes: 4,Hole Type :Blind Hole 110mm Overall Length, 12mm Shank Diameter, Without Coolant Through, Chamfer Form C: 2 to 3 Lead Threads Series No. 2920, Order Code 16.0000, Guhring Part #9029200160000