Rushmore 4 Flute Variable Helix Roughing & Finishing End Mill, 1/4″ Shank Diameter, Length of Cut 1-1/8″, 4″ OAL, 0.020″ Radius

• Maximum material removal & feed rates.
• Variable Helix Angle.
• Solid Carbide
• Finish Coating: AlTiN
• Center Cutting.
• Cutting Direction: Right Hand
• Cutting End Shape: Square
• Reduces vibration and chatter.
• Excellent finishes in high speed machining.
• Excels on high temperature exotics and stainless steels.
• Unequal index.
• Straight Shank.
• Polished raised land flutes.
• Flute Shape: Spiral
• Primary edge prep.
• Tolerance_Cutting Diameter: +.0.000″ / 0.002″
• Tolerance_Shank Diameter: +.0.0000″ / -0.0004″
• Workpiece Material Range: Steel, Stainless Steel, High-Temp Exotic Alloys, Non-Ferrous, Cast Iron, Hard Materials, Plastics

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