Iscar SIR 0750 P16 Internal Threading Holder. 3/4" Diameter Right Hand Boring Bar OAL 7". SIR 0750 P16 Internal Threading Holder 3/4 inch Round Right Hand Boring Bar Internal Lay Down Threading Holder for Size 16 Inserts. 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. Screw, Insert, M3..5 x 0.6 x 12mm.This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Metalworking Supplies\Turning Tools". The seller is "trhu-6305" and is located in this country: US. This item can be shipped to United States.