PROMAX Tools PRO-4 4 Flute Solid Carbide Harmonic Reduction AlTiN Coated End Mill, 3/8″ Size & Shank Diameter, 7/8″ Length of Cut, 2-1/2″ Overall Length, .020″ Corner Radius

• Series: 191
• Unique geometry reduces vibration and harmonics for smoother running, more aggressive cutting.
• Reduced neck provides the ability to extend the reach of the end mill.
• Ready for shrink fit holders, however flats can be added on sizes 3/8″ – 1″.
• Finishing edge of our highly effective and popular Series 111 Finishing end mill.
• Chip-breakers of our extremely popular Series 120 Rougher-Finishing end mill.
• Standard with AlTiN.
• Coatings increase tool life, enhances chip flow and lubricates through the cut.
• Standard with special edge prep to reduce break-in period allowing for higher productivity.
• Center Cutting
• Helix Angle: Variable
• Shank Style: Cylindrical
• Tolerance_Cutting Diameter: 3/16″- 1″: -.0001″/-.0004″
• Tolerance_Shank Diameter: 3/16″- 1″: +.000″/-.002″
• Workpiece Material Range: Steel, High temp exotic alloys, Stainless, Cast iron

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