NIAGARA 1-1/2" Size, 2-1/2" LOC, 3 Flute, Cobalt Roughing End Mill
COB 1-1/2X1-1/4X2-1/2X10-1/2 3FL END MILL-NIAGAR

NIAGARA 1-1/2" Size, 2-1/2" LOC, 3 Flute, Cobalt Roughing End Mill

Item #: 08-075-459
Size Type: Fractional
Size: 1-1/2"
Length of Cut: 2-1/2"

Need a different size, length or brand?

View Product Group Page


  • 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 1-1/2"
Length of Cut 2-1/2"
Shank Diameter 1-1/4"
Tool Material Cobalt
Finish Coating Bright
No. of Flutes 3
Overall Length 10-1/2"
Helix Angle 36°
Application Rough milling
Center Cutting Yes
Chamfer Dimensions 0.045"
Cutting Direction Right Hand
Diameter 1-1/2"
Cutting End Shape Square
End Type Square
Flute Length 2-1/2"
Helix Direction Right Hand
General Application Milling
Length 10-1/2"
Model # N75459
Neck Diameter 1.05
Neck Length 6
Nose Type Square
Reach_Inch 6"
Prop. 65 Yes
Reach 6"
Series RHLC754
Shank Style Straight Shank
Type Roughing End Mill
Weight 2.941 lb.
Workpiece Material Steel, Die Mold Steels, Cast Iron, Aluminum (6061-T6, 7075-T6), Copper
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.

Other Items to Consider

EP-XTRA Ozone Friendly Cutting Fluids