Countersinks WK HSS DIN 333355D MK DIN-228B P M K Material groups N S H Internal cooling - Quality of material HSS Coating - ĆdNakrój / Chamfer Ćd 1 l 1 MK INDEX T1-040210DIN-228B 37 4,8 118 2 0370 6 Ćd Ćd 1 l 1 MK INDEX T1-040310DIN-228B 50 14 150 3 0500 Ćd Ć d1 l 1 MK INDEX T1-040410DIN-228B 63,0 16,00 180 4 0630 80,0 20,00 180 4 0800 Example of order 175 T1-040210-0037 Countersink 37 DIN-228B HSS