Taper round nose end mill D4-R1-4-0.9°-30-L75-6-4-HRC70
| Diameter | Corner R | Flute length | Cone angle | Effective length | Overall length | Shank Dia | Flutes |
| D4 | R1 | 4 | 0.9° | 30 | L75 | 6 | 4 |
The short edge and avoidance design is adopted to greatly improve the wear resistance of the tool, and at the same time, it can obtain higher surface qualityof the workpiece;
Mainly for the processing of HRC45-70 hardened steel, especially suitable for precision mold parts that need to be processed for a long time.
Author：LoongStar，Reprinted with attribution：https://www.linking-china.com/2332.html
