RUSHMORE USA 1/2" Size, 1" LOC, 4 Flute, M42 8% Cobalt Finishing End Mill
1/2  4 Flute M42 8% Cobalt Double End Mill

RUSHMORE USA 1/2" Size, 1" LOC, 4 Flute, M42 8% Cobalt Finishing End Mill

Item #: 08-258-032
Size Type: Fractional
Size: 1/2"
No. of Flutes: 4

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  • For milling slots, grooves and other similar features.
  • Designed for use in machine tools.


  • Right hand (clockwise rotation) cutting direction.
  • Made as four flute, double ended, spiral flute cutters.
  • Sized to offer good rigidity.
  • The spiral flute design offers a faster and smoother cutting action.
  • The end cutting edges are ground to permit these end mills to be center cutting.
Product Specifications
Size Type Fractional
Size 1/2"
No. of Flutes 4
Length of Cut 1"
Shank Diameter 1/2"
Tool Material M42 8% Cobalt
Finish Coating Bright
Center Cutting Yes
Single or Double End Double
Overall Length 4-1/8"
Corner Radius 0
Helix Angle 30°
Application Milling
Coolant Through No
Cutting Direction Right Hand
Cutting End Shape Square
First Choice For: Stainless Steel
Flute Shape Spiral Flute
Hardness 58 to 60 RC
Model # 105687
Prop. 65 Yes
Shank Style Straight Shank
Weight 0.3125 lbs
Workpiece Material Steel And Cost Effective For Machining Titanium Alloys, Cast Iron, & Heat Treated Materials
Workpiece Material Range Steel, Stainless Steel, Non-Ferrous, Cast Iron, Plastics
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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