UN Thread Calculator
ASME B1.1 Thread Dimension Calculator with Plating Adjustment
Class 2 Threads • 60° Flank Angle • Pre-plate Dimensions
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Class 2 Threads Only • Calculates pre-plate dimensions per ASME B1.1-2003
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Disclaimer: Plating adjustment values are formulaic per ASME B1.1. Users are responsible for verifying output values and confirming suitability for the application.
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How to Use This Tool • Enter the basic major diameter, TPI, series, thread type, and plating thickness to calculate pre-plate dimensions.
Results include ASME B1.1 standard dimensions and adjusted pre-plate dimensions.
Check the provided ASME B1.1 reference values against a trusted source to confirm accuracy before use.
Results
ASME B1.1 Standard
Major Ø (Max)
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Major Ø (Min)
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Pitch Ø (Max)
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Pitch Ø (Min)
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Minor Ø (Max)
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Minor Ø (Min)
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Pre-Plate Dimensions
Major Ø (Max)
-
Major Ø (Min)
-
Pitch Ø (Max)
-
Pitch Ø (Min)
-
Minor Ø (Max)
-
Minor Ø (Min)
-