2 Flute M42 8% Cobalt Single End Mill
WELDON 2 Flute M42 8% Cobalt Single End Mill-Tool Material: M42 8% cobalt steel Number of Flutes: 2 Flute Shape: Spiral flute Flute Length : 13/16 Size : 7/16

2 Flute M42 8% Cobalt Single End Mill

Made In The USA
Item #: 08-428-222
Size: 7/16"
No. of Flutes: 2
Length of Cut: 13/16"

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Recommended for milling abrasive, high strength & heat resistant exotic metals


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


  • Right hand (clockwise rotation) cutting direction.
  • The spiral flute design permits a faster and smoother cutting action and the end mills are sized to provide a good cutting range while affording adequate rigidity.
  • Higher speeds, increased feeds, easy resharpening.
  • Great abrasive resistance and high red hardness.
  • Longer tool life than ordinary high speed steel.
  • CNC qualified.

Technical Data

  • Manufactured from M42 cobalt steel.
  • Ground from the solid.
  • Bright finish.
Weldon 28222-00-W 7/16" M42 Cobalt 2 Flute Single End Mill
Product Specifications
Size 7/16"
No. of Flutes 2
Length of Cut 13/16"
Shank Diameter 3/8"
Tool Material M42 8% Cobalt
Finish Coating Bright Finish
Center Cutting Yes
Single or Double End Single
Overall Length 2-1/2"
Cutting Direction Right Hand
Flute Shape Spiral Flute
Flute Length 13/16"
Length Type Standard Length
No. of Ends Single
Shank Style Straight Shank
Prop. 65 Yes
Tolerance_Cutting Diameter + 0.0000 / -0.00015"
Manufacturing Method Ground from the solid
Type 2 Flute M42 8% Cobalt Single End Mill
Weight 0.4 lbs.
Tolerance_Diameter + 0.0000 / -0.00015"
Tolerance_Mill Diameter +0.001"/-0.000"
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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