Functions and modules for creating metric (ISO) and English (UTS) standard screws and nuts. Included is a function for calculating the standard dimensions of screws including the tolerance values that ...

This file provides functions and modules that construct shapes from a list of cross sections. In the case of skin() you specify each cross sectional shape yourself, and the number of points can vary.

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Screw-thread standards for federal services 1957. Part I: unified, American, American national, and national miniature threads by United States. Interdepartmental Screw Thread Committee.