Emuge GF732257.5010 | 5/16-18 Thread Mill - ZBGF - WFeatures: Solid carbide circular thread mill for most materials up to 44 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) 5. 6 mm Pitch 18 Size 5 16" Thread Standard UNC Applicable Material Steel, Stainless Steel, Cast Iron, Aluminum, Titanium Application Drill and Thread Mill Type ZBGF W Length Group 2 x D Coolant Fed Axial