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HARVI™ Ultra 8X • Helical Mill • IC 12 • Shell Mount
HARVI™ Ultra 8X • Helical Mill • IC 12 • Shell Mount
HARVI™ Ultra 8X • Helical Mill • IC 12 • Shell Mount
HARVI™ Ultra 8X • Helical Mill • IC 12 • Shell Mount

HARVI™ Ultra 8X • Helical Mill • IC 12 • Shell Mount • Inch

HARVI™ Ultra 8X • Helical Mill • IC 12 • Shell Mount

Features and benefits

  • HARVI Ultra 8X helical milling cutters are designed to deliver the highest metal removal rates (MRR), especially in high-temperature alloys.

  • Large helix ensures hassle-free chip evacuation even at highest metal removal rates (MRR).

  • Harvi Ultra 8X cutters with different lead row pocket designs available. Especially for applications that require larger corner radii.

  • Up to 8 cutting edges per insert. That's helical milling at the lowest possible cost-per-edge.

  • HU8X… cutters accommodate inserts in the lead row with corner radii from .031–.094″ (0,8–2,4mm).

  • HU8X…..R cutters accommodate inserts in the lead row with corner radii from .125–.250″ (3,2–6,4mm).

Uses and application

  • Side Milling/Shoulder Milling: Square EndSide Milling/Shoulder Milling: Square End
  • Side Milling/Shoulder Milling: Eased ChamferSide Milling/Shoulder Milling: Eased Chamfer
  • Slotting: Shoulder ProfilingSlotting: Shoulder Profiling
  • Slotting: ShoulderSlotting: Shoulder
  • PocketingPocketing
  • Milling - Side and FaceMilling - Side and Face
  • Milling - Through CoolantMilling - Through Coolant

Workpiece Materials

P Steel
M Stainless Steel
K Cast Iron
S High-Temp Alloys
H Hardened Materials
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Workpiece Material
Workpiece Material
  • P Steel (7)
    • P0
      Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS
      (7)
    • P1
      Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS
      (7)
    • P2
      Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS
      (7)
    • P3
      Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS
      (7)
    • P4
      Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS
      (7)
    • P5
      Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS
      (7)
    • P6
      High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS
      (7)
  • M Stainless Steel (7)
    • M1
      Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS
      (7)
    • M2
      High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS
      (7)
    • M3
      Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS
      (7)
  • K Cast Iron (5)
    • K1
      Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS
      (5)
    • K2
      Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS
      (5)
    • K3
      High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS
      (5)
  • S High-Temp Alloys (7)
    • S1
      Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS
      (7)
    • S2
      Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS
      (7)
    • S3
      Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS
      (7)
    • S4
      Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS
      (7)
  • H Hardened Materials (5)
    • H1
      Hardened Materials 44-48 HRC
      (5)
Applications
Applications
  • Face Milling Face Milling (7)
  • Shoulder Milling Shoulder Milling (7)
  • Shoulder Roughing Shoulder Roughing (7)
  • Slot Milling Slot Milling (7)
  • Slot Square End Slot Square End (7)
Cutting Diameter
Cutting Diameter
  • 2.0 in (1)
  • 2.5 in (2)
  • 3.0 in (4)
Cutting Diameter Min to Cutting Diameter Max
Cutting Diameter
Cutting Diameter
  • 50.801 mm (1)
  • 63.5 mm (2)
  • 76.2 mm (4)
Cutting Diameter Min to Cutting Diameter Max
Cutting Length
Cutting Length
  • 50.875 mm (1)
  • 61.0 mm (1)
  • 77.525 mm (1)
  • 77.551 mm (1)
  • 101.625 mm (1)
  • 102.2 mm (2)
Cutting Length Min to Cutting Length Max
Cutting Length
Cutting Length
  • 2.003 in (1)
  • 2.402 in (1)
  • 3.052 in (1)
  • 3.053 in (1)
  • 4.001 in (1)
  • 4.024 in (2)
Cutting Length Min to Cutting Length Max
Reach
Reach
  • 3.0 in (1)
  • 3.5 in (3)
  • 4.5 in (2)
  • 5.0 in (1)
Reach Min to Reach Max
Reach
Reach
  • 76.2 mm (1)
  • 88.9 mm (3)
  • 114.301 mm (2)
  • 127.0 mm (1)
Reach Min to Reach Max
Number of Flutes
Number of Flutes
  • 3 (1)
  • 4 (2)
  • 5 (4)
Cutting Edges Per Insert
Cutting Edges Per Insert
  • 4.0 (7)
  • 8.0 (5)
Cutting Edges Per Insert Min to Cutting Edges Per Insert Max
cornerConfiguration
Corner Radius
Corner Radius
  • 0.031 in (5)
  • 0.063 in (5)
  • 0.095 in (5)
  • 0.126 in (5)
  • 0.189 in (2)
  • 0.237 in (2)
  • 0.25 in (2)
Corner Radius Min to Corner Radius Max
Corner Radius
Corner Radius
  • 0.8 mm (5)
  • 1.6 mm (5)
  • 2.401 mm (5)
  • 3.2 mm (5)
  • 4.801 mm (2)
  • 6.0 mm (2)
  • 6.351 mm (2)
Corner Radius Min to Corner Radius Max
application
Grade Of Cutting Tool
Grade Of Cutting Tool
  • KC520M (5)
  • KC522M (5)
  • KC725M (7)
  • KCK15 (5)
  • KCK20B (5)
  • KCPK30 (5)
  • KCPM40 (5)
  • KCSM40 (7)
backEnd
Back-End Diameter
Back-End Diameter
  • 19.05 mm (1)
  • 25.401 mm (2)
  • 31.75 mm (4)
Back-End Diameter Min to Back-End Diameter Max
Back-End Diameter
Back-End Diameter
  • 0.75 in (1)
  • 1.0 in (2)
  • 1.25 in (4)
Back-End Diameter Min to Back-End Diameter Max
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SAP Material Number ISO Catalog Number ANSI Catalog Number [D1] Effective Cutting Diameter [D1] Effective Cutting Diameter [D] Adapter / Shank / Bore Diameter [D] Adapter / Shank / Bore Diameter [D6] Hub Diameter [D6] Hub Diameter [L] Overall Length [L] Overall Length [AP1MAX] 1st Maximum Cutting Depth [AP1MAX] 1st Maximum Cutting Depth Number of Inserts [Z] Number of Flutes Weight Pounds Torque Catalog Inch Pounds Max RPM
6518761 HU8X200S12S075ZU3AP200Z15 HU8X200S12S075ZU3AP200Z15 50.8000 2.000 19.05 .75 44.4500 1.750 76.2000 3.000 50.8850 2.003 15 3 1.29 35 16290
    List price:
    $2,053.68 /each.
    Your price::
    Qty
    6521701 HU8X250S12S100ZU4AP240Z24 HU8X250S12S100ZU4AP240Z24 63.5000 2.500 25.4 1.0 62.0000 2.440 88.9000 3.500 61.0090 2.401 24 4 2.73 35 14570
      List price:
      $2,738.23 /each.
      Your price::
      Qty
      6521702 HU8X250S12S100ZU4AP400Z40 HU8X250S12S100ZU4AP400Z40 63.5000 2.500 25.4 1.0 62.0000 2.440 127.0000 5.000 101.6290 4.001 40 4 3.60 35 14570
        List price:
        $3,879.17 /each.
        Your price::
        Qty
        6366487 HU8X300S12S125ZU5AP305Z40 HU8X300S12S125ZU5AP305Z40 76.2000 3.000 31.75 1.25 73.0540 2.876 88.9000 3.500 77.5460 3.053 40 5 3.58 35 13300
          List price:
          $3,879.17 /each.
          Your price::
          Qty
          6366488 HU8X300S12S125ZU5AP305Z40R HU8X300S12S125ZU5AP305Z40R 76.2000 3.000 31.75 1.25 73.0200 2.875 88.9000 3.500 77.5240 3.052 40 5 3.58 35 13300
            List price:
            $3,879.17 /each.
            Your price::
            Qty
            6366489 HU8X300S12S125ZU5AP402Z50 HU8X300S12S125ZU5AP402Z50 76.2000 3.000 31.75 1.25 72.6130 2.858 114.3000 4.500 102.1960 4.023 50 5 4.65 35 13300
              List price:
              $4,848.96 /each.
              Your price::
              Qty
              6366490 HU8X300S12S125ZU5AP402Z50R HU8X300S12S125ZU5AP402Z50R 76.2000 3.000 31.75 1.25 73.0200 2.875 114.3000 4.500 102.1960 4.023 50 5 4.66 35 13300
                List price:
                $4,848.96 /each.
                Your price::
                Qty
                List price:
                Discount: %
                Your price::
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