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Drill Speed RPM Calculator - Optimal Cutting Speed

Calculate the optimal drill RPM based on material, drill bit diameter, and cutting speed.

Get perfect drilling speeds for metal, wood, and plastic.

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Frequently Asked Questions

Common questions about the Drill Speed RPM Calculator - Optimal Cutting Speed

Angular velocity measures how fast something rotates, expressed as angle change per unit time. Common units include radians per second (rad/s), degrees per second, and revolutions per minute (RPM).