4CRL-45o-Helix-Radius-Long

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

Good wear resistance by Si-based PVD coating.+ High precise edge tolerance.
Designed for minimizing edge chipping by corner R shape.
45° degree helix design for high speed, feed condition.«Outstanding performance at high speed machining by ultra fine(0.2um) WC grade.