Version:
Fixed guide pin: gas nitrided, precision turned
Rotating pin: surface hardened and ground.
Size 01/2.4 to 1/8.4 − fixed pilot.
Size 1/8.5 to 1/18 − rotating pilot with coolant bore.
Size 2/11.5 to 2/13 − fixed pilot.
Size 2/14 to 2/32 − rotating pilot with coolant bore.
Application:
When using the rotating pilot (with coolant bore) size 1 and 2 in holder No.
156720 size 1/20 the coolant is fed directly to the cutting edges for optimum chip evacuation.