Pilot type F-R in carburized and hardened steel with hardness 60HRC group 0 from Ø 4 to Ø 14. You can fit them in all the Polledri holders of the same group. The large range of pilot sizes permit you to guide most counterbores and countersinks in general use.
Pilot type F-R in carburized and hardened steel with hardness 60HRC group 1 from Ø 6 to Ø 23. You can fit them in all the Polledri holders of the same group. The large range of pilot sizes permit you to guide most counterbores and countersinks in general use.
Pilot type F-R group 2 in carburized and hardened steel with hardness 60HRC group 2 from Ø 10 to Ø 52. You can fit them in all the Polledri holders of the same group. The large range of pilot sizes permit you to guide most counterbores and countersinks in general use.