M24 x 3 Form Tap, Semi-Bottom DIN 376 Small Shank, HSS-E (Cobalt), D15/D16, TiN Coated, Oil Grooves, Coolant Fed Type: Form Tap,Number of Flutes: 7,Hole Type :Blind Hole 160mm Overall Length, 18mm Shank Diameter, With Axial Coolant Through, Chamfer Form C: 2 to 3 Lead Threads Series No. 923, Order Code 24.0000, Guhring Part #9009230240000