Thread M BSW BSF UNC UNF TR 1.9

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ABOUT Thread M BSW BSF UNC UNF TR

Calculation of internal and external thread: Metric; Whitworth BSW and BSF; Unified UNC and UNF; Trapezoidal metric Measurements of maximum and minimum of diameter effective, major and minor. Measure on the sphere to external threads; Torque by class of material; Geometric calculation;