4 Flute M42 8% Cobalt Single End Mill
T&O 4 Flute M42 8% Cobalt Single End Mill - Tool Material: M42 8% cobalt  Size: 1-7/8  Number of Flutes: 6  Flute Length: 2  Overall Length: 4-3/8

4 Flute M42 8% Cobalt Single End Mill

Made In The USA
Item #: 08-866-121
Brand: T&O
Size: 1-7/8"
No. of Flutes: 6
Length of Cut: 2"
M42 cobalt lasts longer than high speed steel!


  • For milling the abrasive high strength and heat resistant exotic metals.
  • For cutting difficult and abrasive materials, ranging from medium to the highest hardness level machinable by high speed steel.


  • The 8% cobalt content ensures high edge hardness at elevated temperature levels.
  • Higher speeds & increased feeds.
  • Great abrasive resistance.
  • Longer tool life than ordinary high speed steel.
RUSHMORE USA 8 Percent Cobalt Multiple Flute Center Cutting Single End Mill
Product Specifications
Brand T&O
Size 1-7/8"
No. of Flutes 6
Length of Cut 2"
Shank Diameter 3/4"
Tool Material M42 8% Cobalt
Finish Coating Bright Finish
Center Cutting Yes
Single or Double End Single
Overall Length 4-3/8"
Corner Radius 0
Flute Shape Helix
Length Type Standard Length
Shank Style Straight Shank
Type 4 Flute M42 8% Cobalt Single End Mill
Weight 1.875 lbs.