MetroX

VA Softwares

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About this app

This app is a fast ISO limits & fits calculator for holes and shafts, designed for quick decisions in design, machining, and inspection.

What you can do
• Enter the nominal size and a fit designation (e.g., H7/g6, H6/h5, F6/f6)
• Get instant results:
• Hole and shaft limit sizes (min/max)
• Minimum and maximum clearance (or interference)
• Fit classification: clearance, interference, or transition

Fit selection (reverse workflow)
Need a specific clearance/interference range? Define your target range and the app helps you pick a suitable standardized ISO fit, making fit selection consistent and repeatable.

Made for
• Mechanical design and engineering
• Machining, tooling, and shop-floor checks
• Metrology, inspection, and quality control
• Quick learning and verification of ISO fits

Simple, focused, and practical: input your numbers, get the limits and the fit analysis.

What’s new

Bug fixes and performance improvements.