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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 120 260 S12

Diameter (D)

Length of Cut (L1)

Effective Length (L2)Overall Length (L)Shank Diameter (d)
12.0mm 26.0mm - 75m 12mm

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JJ Tools

4JJHE 120 350 S12

Diameter (D)

Length of Cut (L1)

Effective Length (L2)Overall Length (L)Shank Diameter (d)
12.0mm 35.0mm - 90m 12mm

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JJ Tools

4JJHE 120 500 S12

Diameter (D)

Length of Cut (L1)

Effective Length (L2)Overall Length (L)Shank Diameter (d)
12.0mm 50.0mm - 100m 12mm

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JJ Tools

4JJHE 120 600 S12

Diameter (D)

Length of Cut (L1)

Effective Length (L2)Overall Length (L)Shank Diameter (d)
12.0mm 60.0mm - 110m 12mm

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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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JJ Tools

4JJHE 200 550 S20

Diameter (D)

Length of Cut (L1)

Effective Length (L2)Overall Length (L)Shank Diameter (d)
20.0mm 55.0mm - 120m 20mm

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JJ Tools

4JJHE 200 750 S20

Diameter (D)

Length of Cut (L1)

Effective Length (L2)Overall Length (L)Shank Diameter (d)
20.0mm 75.0mm - 150m 20mm

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