M5 x .8 Pionex Form Tap, Semi-Bottoming DIN 371 Standard, HSS-E-PM (PM Cobalt), D7/D8, TiCN, Oil Grooves, Coolant Fed Type: Form Tap,Number of Flutes: 4,Hole Type :Blind Hole 70mm Overall Length, 6mm Shank Diameter, 25mm Threading Depth, With Radial Coolant Through, Chamfer Form C: 2 to 3 Lead Threads Series No. 4485, Order Code 05.0000, Guhring Part #9044850050000