Series: 16 RBCoating: AX CoatedDiameter: 1.00mmEnd Type: Ball NoseHelix Angle (Degree): 20 DegreesLength of Cut (mm): 1.00mmNumber of Flutes: 2 FlutesRadius: 0.50mmReach Length (mm): 6.00mmShank: 4mmPrimary Workpiece Material: Hardened Steel ~55HRC, Hardened Steel ~68HRCSecondary Workpiece Material: ST 30HRC, 30, 40HRC~SS~Cast Iron~Nickel/Cobalt~Titanium Alloy Unit of Measure: Metric