68HEM-45o-Helix-End-Mills

Endmills for pre-hardened and hardened steel (HRc50~62)

Good wear resistance by Si-based PVD coating.
Precise runout and tolerance for finish machining.
Reinforced edge design for preventing edge chipping.+ 45°degree helix design for high speed, feed condition.
Outstanding performance at high speed machining by ultra fine(0.2um) WC grade.