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 : 7/16 Size : 5/32

2 Flute M42 8% Cobalt Single End Mill

Made In The USA
Item #: 08-428-204
Size Type: Fractional
Size: 5/32"
No. of Flutes: 2

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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 28204-00-W 5/32" M42 Cobalt 2 Flute Single End Mill
Product Specifications
Size Type Fractional
Size 5/32"
No. of Flutes 2
Length of Cut 7/16"
Shank Diameter 3/8"
Tool Material M42 8% Cobalt
Finish Coating Bright
Center Cutting Yes
Single or Double End Single
Overall Length 2-5/16"
Flute Length 7/16"
Helix Angle 30°
No. of Ends Single
Cutting Direction Right Hand
Manufacturing Method Ground from the solid
Flute Shape Spiral Flute
Length Type Standard Length
Model # 28204
Tolerance_Diameter + 0.0000 / -0.00015"
Prop. 65 Yes
Tolerance_Mill Diameter +0.001"/-0.000"
Shank Style Straight Shank
Tolerance_Cutting Diameter + 0.0000 / -0.00015"
Type 2 Flute M42 8% Cobalt Single End Mill
Weight 0.13 lbs.
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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