Countersink cutters 90°-60° type S-S/T group 0-1-2 in HSS hardness 63 HRC, from Ø 8,3 to Ø 100. You can fit them in all the Polledri holders of the same group. These cutters with 3 flutes are manufactured to solve in rational way all the problems of countersinking. Their main characteristic,as well as the possibility […]