M12 x 1.25 Red Ring Straight Flute Semi-Bottom DIN 374 Small Shank Tap, HSS-E-PM (PM Cobalt), D5/D6, TiCN, Coolant Fed Type: Red Ring,Number of Flutes: 3,Hole Type :Blind Hole 100mm Overall Length, 9mm Shank Diameter, With Coolant Through, Chamfer Form C: 2 to 3 Lead Threads Series No. 1090, Order Code 12.0060, Guhring Part #9010900120060