<div class='cut-page'><button class='gotoPage' data-page='1'>Page 1</button> <div class='cut-image'><img data-url='document/basic-screw-thread-designations-thread-gauges-check-basic-screw-thread-designations.html?page=1' data-page='1' class='cut-thumb lazyload' 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' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader034.cupdf.com/reader034/viewer/2022050712/5aa36a857f8b9a1f6d8e8606/html5/thumbnails/1.jpg' width='140' height='200' /></div><a href="http://www.threadcheck.com/" rel="ugc nofollow" target="_blank">http://www.threadcheck.com/</a></div>