NIAGARA COB 5/16" x 3/8" x 1-3/8" x 3-1/8" 4 Flute TiAlN End Mill
COB 5/16X3/8X1-3/8X3-1/84FL END MILL-NIAGARA

NIAGARA COB 5/16" x 3/8" x 1-3/8" x 3-1/8" 4 Flute TiAlN End Mill

Item #: 08-075-659
Size Type: Fractional
Size: 5/16"
Length of Cut: 1-3/8"

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  • Roughing end mills allow for heavier cuts and remove more material.
  • Ideal cutters for today's more rigid poweful CNC machinery.
  • Work piece materials identified at the sku level of each end mill.


  • Right hand cut and helix.
  • Select from the drop down box range of helix and coatings to improve performance & productivity and tool life.
Product Specifications
Size Type Fractional
Size 5/16"
Length of Cut 1-3/8"
Shank Diameter 3/8"
Tool Material Cobalt
Finish Coating TiAlN
No. of Flutes 4
Overall Length 3-1/8"
Application Rough milling
Center Cutting Yes
Chamfer Dimensions 0.025"
Cutting Direction Right Hand
Diameter 5/16"
Cutting End Shape Square
End Type Square
Flute Length 1-3/8"
Helix Angle 30°
Helix Direction Right Hand
General Application Milling
Length 3-1/8"
Model # N75659
Nose Type Square
Prop. 65 Yes
Series REM445
Shank Style Straight Shank
Type Roughing End Mill
Weight 0.11 lb.
Workpiece Material Steel, Die Mold Steels, Cast Iron
Prop 65 Warning Many metalworking products do contain metals that are included in the latest Prop 65 warning. Exposure to the elements can be harmful. May cause cancer and reproductive harm.

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