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Shop tools
Free calculators for everyday shop work. No signup, no limits.
Material weight
Available nowWeight of bar, tube and profile stock from material and dimensions.
Coming soon
Tolerance
Coming soonISO fits and limit deviations for shafts and holes.
Threads
Coming soonMetric and imperial thread dimensions with tapping drill sizes.
Speeds & feeds
Coming soonCutting speed, spindle RPM and feed rate for turning and milling.