Cylindrical Shank

  • Cylindrical Shank
  • External coolant --Helical chip-removing groove
    Ø13~Ø65mm cutting diameter.
  • Max. drilling depth 75 mm.
  • Recommended for Alloy Steel, Steel <30HRC, Steel 30-50HRC, Stainless steel, Hardened
    steel up to 56 HRC.
  • 20 degree Ramping Angle.
Holder
Nine9 NC Helix drill_cylindrical shank

● Rotating helical groove to generate evacuation force to remove cutting chips.
● 20° ramping angle.

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STEP Part No Insert Size ØDc Ød L L1 Drilling dia. (mm) Max drill depth
99321-010-1320 N9MX04T002 11 10 80 40 13 - 20 30
99321-012-1525 N9MX05T103 13 12 100 50 15 - 25 36
99321-016-2030 N9MX070204 17 16 110 60 20 - 30 50
99321-020-2540 N9MX100306 22 20 125 70 25 - 40 60
99321-025-3050 N9MX12T308 27 25 165 85 30 - 50 75
Insert
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  • NC2032 : K20F, TiAlN coating.
    Design for high performance cutting, special good for cast iron and hardened material <HRC50°.
  • NC5072 : P40, TiAlN coating.
    General purpose, suitable for almost all kind of steel, stainless steel and Titanium.
    Recommended while clamping devices is weak or apply on low power machines or deep hole drilling.
  • Each insert has 2 cutting edges.
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Part No Grade Coating Workpiece material Max. Pitch
N9MX04T002 NC2032 TiAlN PKNH 3.0
N9MX04T002 NC5072 TiAlN PMKNS 3.0
N9MX05T103 NC2032 TiAlN PKNH 4.5
N9MX05T103 NC5072 TiAlN PMKNS 4.5
N9MX070204 NC2032 TiAlN PKNH 6.0
N9MX070204 NC5072 TiAlN PMKNS 6.0
N9MX100306 NC2032 TiAlN PKNH 7.5
N9MX100306 NC5072 TiAlN PMKNS 7.5
N9MX12T308 NC2032 TiAlN PKNH 9.0
N9MX12T308 NC5072 TiAlN PMKNS 9.0
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