5/16 4 Flute M42 8% Cobalt Double End Mill
5/16 4  Flute M42 8% Cobalt Double End Mill

5/16 4 Flute M42 8% Cobalt Double End Mill

Item #: 08-258-020
Brand: RUSHMORE USA
Size Type: Fractional
Size: 5/16"
No. of Flutes: 4

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Applications

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

Features

  • 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
Brand RUSHMORE USA
Size Type Fractional
Size 5/16"
No. of Flutes 4
Length of Cut 3/4"
Shank Diameter 3/8"
Tool Material M42 8% Cobalt
Finish Coating Bright
Center Cutting Yes
Single or Double End Double
Overall Length 3-1/2"
Corner Radius 0
Application Milling
Coolant Through No
Cutting Direction Right Hand
Cutting End Shape Square
Flute Shape Spiral Flute
Hardness 58 to 60 RC
Helix Angle 30°
Prop. 65 Yes
Shank Style Straight Shank
Weight 0.125 lbs
Workpiece Material Steel And Cost Effective For Machining Titanium Alloys, Cast Iron, & Heat Treated Materials
Country of Origin UNITED STATES OF AMERICA
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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