Rushmore USA 4 Flute M42 8% Cobalt Single End Mill, 3/8″ Size, 3/8″ Shank Diameter, 3/4″ Length of Cut, 2-1/2″ Overall Length

• 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.
• Center Cutting
• Helix Angle: 30
• Cutting Direction: Right Hand
• Flute Shape: Helix
• Length Type: Standard Length
• Shank Style: Straight Shank
• Workpiece Material Range: Steel, Stainless Steel, Non-Ferrous, Cast Iron, Plastics
• Country of Origin: U.S.A.

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