Cat-5 Carbide Roughing End Mill

$32.00
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1/4" Roughing End Mill
Tungsten Carbide • Nano Blue Coated

Overview
Built for fast material removal with lower cutting forces than a standard end mill. The serrated cutting profile breaks chips into smaller pieces to reduce spindle load, chatter, and vibration, making it a strong choice for roughing passes on spindle-driven CNC machines.

Best For

  • Rapid stock removal
  • Roughing passes
  • Pocket clearing
  • Bulk material removal

Why Choose It

  • Removes material quickly with reduced spindle load
  • Serrated flutes help reduce chatter and vibration
  • Nano Blue coating improves heat resistance and tool life
  • Ideal before finishing passes

Starting Parameters
Start conservatively, then increase as machine rigidity allows.

  • Spindle: 14,000–18,000 RPM
  • Feed: 180–280 IPM
  • Plunge: 50–80 IPM
  • Cut Strategy: Use deeper passes and higher feed than a standard end mill, then follow with a finishing tool

Compatible Materials

  • Hardwood
  • Softwood
  • Plywood
  • MDF
  • Plastics

Specifications

  • Tool Type: Roughing End Mill
  • Flutes: 3
  • Cutting Diameter: 1/4"
  • Cutting Length: 1.5"
  • Shank Diameter: 1/4"
  • Overall Length: 2.75"
  • Material: Tungsten Carbide
  • Coating: Nano Blue

Notes

  • Surface finish will be rougher than a finishing end mill
  • Ideal for pocket clearing and bulk stock removal
  • Good dust collection improves chip evacuation and tool life

Customer Reviews

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L
Lester Rawls
CNC Bits

I have used a number of the Bits and have not had any problems. They have worked very well.