div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: Basic Screw Thread Designations - Thread Gauges · PDF fileTHREAD CHECK BASIC SCREW THREAD DESIGNATIONS External and internal thread diagrams illustrate basic thread geometry FLANK src=https:reader034vdocumentsusreader034viewer20220507125aa36a857f8b9a1f6d8e8606html5thumbnails1jpg width=142 height=106 layout=responsive amp-img diva href=http:wwwthreadcheckcom rel=ugc nofollow target=_blankhttp:wwwthreadcheckcomadiv