Tag Archives: 3 FLUTES

Counterbores with 3 flutes type H-H/T group 0-1-2 in hard metal quality ISO K 30 from Ø 10 to Ø 85. Helix angle 5°. You can fit them in all the Polledri holders of the same group. These counterbores are manufactured to solve all the problems of counterboring head screw and spot facing on cast […]

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 […]