Indexable Thread Turning Tool Holder Carbide Coolant-Thru E08R-NER-2 Cutting Direction Right Hand Shank Round Shank Dia 1/2 in Overall Length 8.1200 in Insert Shape Threading DorNotch Lead Angle N/A Inscribed Circle 0.1875 in Insert Thickness 0.15 in Width Offset 0.47 in Mounting Style Clamp Lock Clamp CM-75 Clamp Screw S-310M