4JJHE

Endmills for pre-hardened and hardened steel(HRc52~65)
– Good wear resistance by high quality Si-based PVD coating.
– High precise edge tolerance.
– 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
(0.2μm) WC grade.