Precise 1/4″ Size, 4 Flute High Speed Steel Double End Mill

• HP series of double-end finishing mills is made from high-speed steel for use in general milling operations.
• These double-end finishing mills are being offered in a four-flute spiral design with a 30-degree helix angle.
• The non-center cutting end mills have cutting edges only on the sides and are used only for side milling, peripheral, slotting.
• Helix Angle: 30
• Cutting Direction: Right Hand
• Flute Shape: Spiral
• Hardness: 58 to 60 RC

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