Rushmore USA 4 Flute M42 8% Cobalt Corner Radius End Mill, 3/8″ Size, 3/8″ Shank Diameter, .045″ Corner Radius, 3/4″ Length of Cut, 2-1/2″ Overall Length

• Cobalt withstands higher heat conditions as compared to high speed steel.
• Corner radius gives added strength to corner to help prevent chipping.
• Helix Angle: 30
• Center Cutting: Yes
• Flute Shape: Helix
• Shank Style: Straight Shank
• Tolerance_Cutting Diameter: +0.0015″/-0.0000″
• Workpiece Material Range: Steel, Stainless Steel, Non-Ferrous, Cast Iron, Plastics
• Country of Origin: U.S.A.

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