M5 x .8 Micro Form Tap, Semi-Bottoming DIN 371 Standard, HSS-E (Cobalt), D7/D8, TiN Coated With No Oil Grooves Type: Form Tap,Number of Flutes: 4,Hole Type :Blind Hole 70mm Overall Length, 6mm Shank Diameter, 25mm Threading Depth, Without Coolant Through, Chamfer Form C: 2 to 3 Lead Threads Series No. 921, Order Code 05.0000, Guhring Part #9009210050000