div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=document2011-12-07-2the-thread-is-rectangular-to-the-center-axial-line-and-the-pitchhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: · 2011-12-07 · 2The thread is rectangular to the center axial line and the pitch is measured along the center axial tine 3The effective thread length means the thread portion loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader034fdocumentsinreader034viewer20220505205fa3f915147bb33cc824221ahtml5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=document2011-12-07-2the-thread-is-rectangular-to-the-center-axial-line-and-the-pitchhtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: · 2011-12-07 · 2The thread is rectangular to the center axial line and the pitch is measured along the center axial tine 3The effective thread length means the thread portion loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader034fdocumentsinreader034viewer20220505205fa3f915147bb33cc824221ahtml5thumbnails2jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imageimg data-url=document2011-12-07-2the-thread-is-rectangular-to-the-center-axial-line-and-the-pitchhtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: · 2011-12-07 · 2The thread is rectangular to the center axial line and the pitch is measured along the center axial tine 3The effective thread length means the thread portion loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII=...