ANSI: SIR 0750 P16
ISO: SIR 0750 P16
B-steel shank with coolant hole, C-carbide shank without coolant hole, CB-carbide shank with coolant hole All toolholders are made for 1.5 helix angle For GTGA inserts, use anvil AL 16-0
Interchangeable threading heads, for carbide bars.