M6 x .75 Spiral Point Plug DIN 371 Standard Tap, HSS-E-PM (PM Cobalt), D4/D5, TiAlN Coated Type: Grey Ring,Number of Flutes: 3,Hole Type :Through Hole 80mm Overall Length, 6mm Shank Diameter, 30mm Threading Depth, Without Coolant Through, Chamfer Form B: 3.5 to 5 Lead Threads Series No. 2917, Order Code 06.0040, Guhring Part #9029170060040