Emuge GF733208.5015 | 5/8-11 Thread Mill - ZBGF - HFeatures: Solid carbide circular thread mill for hard materials over 43 HRC Premium sub micro grain carbide tool for internal threads Drill and thread with one tool Coolant fed for enhanced chip evacuation Product Specifications Cutter Diameter (mm) 12. 89 mm Pitch 11 Size 5 8" Thread Standard UNC Applicable Material High tensile strength & hardened Materials Application Drill and Thread Mill Type ZBGF H Length Group 2 x D Coolant Fed Axial Finish