4JJE (Flat endmills for hardened steels, 4 Flutes) - JJ Tools
JJ series
Flat endmills for pre-hardened and hardened steels(HRc52~68)
• Good wear resistance by high quality Si-based PVD coating.
• High precise edge tolerance.
• Reinforced edge design for preventing edge chipping.
• Outstanding performance at high speed machining by ultra fine (0.2㎛) WC grade.
날경Diameter | 날장 Length of cut L1 | 전장 Overall Length L | 생크 Shank Dia d |