Promax 6 Flute Variable Helix ZrN Coated Single End Mill, 5/16″ Size & Shank Dia., 3/4″ Length of Cut, 2-3/8″ Reach, .300″ Neck Dia., 4″ Overall Length

• Unequal indexed reduces vibration and enables higher speed and feeds rates
• 43.5/46.5 variable helix reduces vibration resulting in improved finishes.
• Minimal protective radius on corners to protect corners from chipping.
• Undercut shank provides deeper access.
• Cutting Direction: Right Hand
• Center Cutting
• Tool Material: Solid Carbide
• ZrN coating is specifically for machining aluminum and other non-ferrous materials as it keeps the chips from gumming up and sticking together.
• Coatings increase tool life, enhances chip flow and lubricates through the cut.
• Tolerance_Cutting Diameter: +.000″ / -.002″
• Tolerance_Shank Diameter: -.0001″ / -.0004″
• Workpiece Material Range: Non-Ferrous, Plastics

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