Product details:
Made in: GERMANY 1"-12 Red Ring Spiral Flute Semi-Bottom DIN Length/ANSI Small Shank Tap, HSS-E-PM (PM Cobalt), H7/H8, TiCN, Coolant Fed Type: Red Ring,Number of Flutes: 6,Hole Type :Blind Hole 140mm Overall Length, 0.8000" Shank Diameter, With Axial Coolant Through, Chamfer Form C: 2 to 3 Lead Threads Series No. 4389, Order Code 25.4000, Guhring Part #9043890254000