M12 x 1.25 Form Tap, Bottoming DIN 371 Standard, HSS-E-PM (PM Cobalt), D7/D8, TiN Coated, Oil Grooves, Coolant Fed Type: Form Tap,Number of Flutes: 6,Hole Type :Blind Hole 100mm Overall Length, 9mm Shank Diameter, With Coolant Through, Chamfer Form E: 1.5 to 2 Lead Threads Series No. 1731, Order Code 12.0060, Guhring Part #9017310120060