M22 x 1.5 Red Ring Spiral Flute Semi-Bottoming DIN 374 Small Shank Tap, HSS-E (Cobalt), D6/D7, Bright Finish Type: Red Ring,Number of Flutes: 5,Hole Type :Blind Hole 125mm Overall Length, 18mm Shank Diameter, Without Coolant Through, Chamfer Form C: 2 to 3 Lead Threads Series No. 835, Order Code 22.0070, Guhring Part #9008350220070