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Reamer Feed & Speed Calculator
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Reamers are finishing tools.
Use low speeds, steady feed, and proper coolant. Excess RPM or feed can oversize or chatter the hole.
Units
Imperial (in / SFM)
Metric (mm / SMM)
Mode
Surface Speed
Reamer Diameter
Surface Speed (SFM / SMM)
Feed per Rev (IPR)
Reset
RPM
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Feed Rate
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Feed per Rev
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