Fry, Horace Pugh. [from old catalog] · Philadelphia [The John C. Winston co.] · leaf 52
otherwise specified. 7. The pitch of a single thread is the distance between twoadjacent points. Or, in other words, the pitch is the distance thepoint would advance parallel to the axis in one revolution, e. g.,single thread J pitch, 4 pitch, or 4 threads per inch. (Fig. 28.) 8. On double, triple… … 5IMC3 DOUBi—E-v: sirs»G\-e SQ. doljbu-e: SQ LEFT MAMD INSIDE AND OUTSIDE SCREW THREADS Fig. 29. measured parallel to the axis. The distance between two adjacent threads is sometimes called the divided pitch. The lead is the one generally specified for the machine shop (see Fig. 29); e. g., double…
Mechanical drawing
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