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HSS Roughing End Mills 5/16"-3/4"


These High Speed Steel Roughing end mills are designed with numerous serrations (teeth) in the 4 flutes to quickly remove large amounts of material, leaving a rough finish. Follow up by using a Ball Nose End Mill (BNCEM) to leave a smooth finish. 

  • Straight shank
  • Centre cutting
  • Fully grounded

Great for large surface area work, will shape and form metal components. Suitable for use on steel, alloy steel, tool steel, cast iron and ferrous metals. For use in a CNC machine, lathe or milling machine.

Available sizes: 5/16", 3/8", 1/2", 5/8", 3/4"

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Uncoated. Imperial. 4 Flute. HSS Roughing End Mills.

Cutting lengths vary as follows:

  • 5/16" diameter, 5/16" shank, 1" cutting length, 2-5/8" overall length
  • 3/8" diameter, 3/8" shank, 1" cutting length, 2-3/4" overall length
  • 1/2" diameter, 1/2" shank, 1-3/8" cutting length, 3-3/8" overall length
  • 5/8" diameter, 5/8" shank, 1-5/8" cutting length, 3-3/4" overall length
  • 3/4" diameter, 3/4" shank = 1-5/8" flute length, 4" overall length. 

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