1) High precision 2) Long life 3) Blade runout within 0.01mm 4) Reasonable geometric parameter 5) Material ... quality, precision and performance.2) Inspected by ZOLLER measuring center.3) Excellent performance in some sticky metals cutting4) Material: Kennametal, sandik ... more information, please contact us at all times! A, diameter: φ 3 ~ 32,B, spiral Angle: 20 ° to 45 °C, surface coating ...