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4JJHE - 45° Helix End Mills

4JJHE - 45° Helix End Mills

  • Endmills for pre-hardened and hardened steel (HRc52~65).
  • Good wear resistance by high quality Si-based PVD coating.
  • Precise run-out and tolerance for finish machining.
  • Reinforced edge design for preventing edge chipping.
  • 45º helix design for high speed, high feed condition.
  • Outstanding performance at high speed machining by ultra fine
    (0.2µm) WC grade.
JJ Tools

4JJHE 080 400 S08

Diameter (D)

Length of Cut (L1)

Effective Length (L2)Overall Length (L)Shank Diameter (d)
8.0mm 40.0mm - 90m 8mm

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JJ Tools

4JJHE 100 400 S10

Diameter (D)

Length of Cut (L1)

Effective Length (L2)Overall Length (L)Shank Diameter (d)
10.0mm 40.0mm - 90m 10mm

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JJ Tools

4JJHE 200 400 S20

Diameter (D)

Length of Cut (L1)

Effective Length (L2)Overall Length (L)Shank Diameter (d)
20.0mm 40.0mm - 100m 20mm

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