Rushmore USA 1/4″ Size, 4 Flute Carbide Single End Mill AlTiN Coated

• Provide a higher rake and helix angle than conventional end mills.
• High shearing action provides excellent chip evacuation and enables highly efficient cutting.
• 4 flute 40 helix end mills can be used in many different materials but are best suited for aggressive machining of aircraft/aerospace materials, stainless steels, high-alloy carbon steels, nickel-based high-temp alloys and titanium alloys.
• Center Cutting
• Helix Direction: Right
• Cutting Direction: Right Hand
• Cutting End Shape: Square
• Hardness: 92Rc
• Tolerance_Cutting Diameter: +.0005″/-.0005″
• Tolerance_Shank Diameter: +.0000″ / -.0003″

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