M5 x .8 Green Ring Spiral Flute Semi-Bottom DIN 376 Small Shank Tap, HSS-E (Cobalt), D3/D4, Bright Finish Type: Green Ring,Number of Flutes: 3,Hole Type :Blind Hole 70mm Overall Length, 3.5mm Shank Diameter, Without Coolant Through, Chamfer Form C: 2 to 3 Lead Threads Series No. 890, Order Code 05.0000, Guhring Part #9008900050000