M16 x 1.5 Straight Flute Bottoming DIN 374 Small Shank Tap, HSS-E-PM (PM Cobalt), D5/D6, TiCN Coated, Coolant Fed Type: Black/Red/White,Number of Flutes: 4,Hole Type :Blind Hole 100mm Overall Length, 12mm Shank Diameter, With Axial Coolant Through, Chamfer Form E: 1.5 to 2 Lead Threads Series No. 1007, Order Code 16.0070, Guhring Part #9010070160070