Z-Carb HPR | Series Z5

The Z-Carb HPR Five Flute Roughing End Mills are ideal for achieving high metal removal rates (MRR) and a finish of 80 RMS or better on most materials. The specialized five flute design is engineered for increased productivity over three and four flute end mills. The variable indexing geometry allows for improved chatter suppression over symmetrical designs.

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Radial Rake
  • Specially designed radial rake balances positive cutting action and edge strength.
  • End grind features include a positive axial rake for high-performance shearing and lifting of material and increased clearances to eliminate edge build-up during ramping.
Through Coolant Options
  • The central hole delivers coolant effectively to the cutting zone.
  • Enhances chip removal when pocketing or slotting.
  • Select fractional and metric diameters in stock.
Fluting & Helix Angle
  • Specialized five-flute design is engineered for strength, chip evacuation, and increased productivity over three and four-flute end mills by 20–40%.
  • The variable flute pattern provides excellent chatter suppression over a range of spindle speeds.
  • The open-center design delivers efficiency during entry movements into the workpiece.
  • Helix angle engineered for balance between positive cutting action and reduced contact area to control tool pressure and spindle load.
  • Exclusive Ti-NAMITE®-M coating for higher heat resistance to enhance tool life in difficult-to-machine materials like Titanium.
  • Available with Ti-NAMITE®-A coating for superior wear, edge build-up resistance and extended tool life in difficult-to-machine materials like Stainless Steel.

Series Details

Lineup Details

  • Cutting Diameter: 1/8" - 1" | 6,0mm - 25,0mm
  • Length of Cut: 1/4" - 2" | 9 mm - 53,0 mm
  • Overall Length: 1 1/2" - 4 1/2" | 54,0 mm - 121,0 mm
  • Shank Diameter: 1/8" - 1" | 6,0mm - 25,0mm
  • Corner Radius: 0.010" - 0.250" | 0,3mm - 5,0mm
  • Coating(s): Ti-NAMITE®-M, Ti-NAMITE®-A
  • Special Options: Internal Coolant, Weldon Flat, Chip Breaker

Primary Material Applications

  • Steel ≤ 45 HRc
  • Stainless Steel ≤ 45HRc
  • Cast Iron ≤ 45HRc
  • High Temp Alloys
  • Titanium Alloys ≤ 45 HRc

Industry Applications



Power Generation


Mold & Die

Casting & Foundries

General Engineering


Secondary Material Applications

  • Cast Iron ≥ 45 HRc
  • Hardened Steels < 45 HRc



Z-Carb HPR Brochure


Firearms Machining Solutions


Aerospace Machining Solutions


Tooling Matrix


Z-Carb HPR | Z5MCR

Speed / Feed

Z-Carb | Z5CR

Speed / Feed


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