M16 x 1.5 Form Tap, Solid Carbide Semi-Bottoming DIN 374 Small Shank, D10/D11, TiCN Coated, Oil Grooves, Coolant Fed Type: Form Tap,Number of Flutes: 6,Hole Type :Blind Hole 100mm Overall Length, 12mm Shank Diameter, With Radial Coolant Through, Chamfer Form C: 2 to 3 Lead Threads Series No. 1581, Order Code 16.0070, Guhring Part #9015810160070