Hyper-Rounds
47D_RQ - 90° End Mill with Neck Relief
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Ø.250-1.000"
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Cylindrical Shank
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4 Flute with 3, 4, and 5×D neck relief for machining aluminum
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Combination variable 39-41° helix and variable pitch
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Excellent chatter dampening
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Used for both roughing and finishing