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4HEM - 4 Flutes High Speed 45° Helix End Mills
- Endmills for pre-hardened and hardened steel (HRc50~62).
- Good wear resistance by high quality Si-based PVD coating.
- High precise edge tolerance.
- Reinforced edge design for preventing edge chipping.
- 45º degree helix design for high speed, high feed condition.
- Outstanding performance at high speed machining by ultra fine (0.2µm) WC grade.