div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentstandard-inch-pitch-diameters-thread-check-inc-unc-unf-unef-unc-unf-standardhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: Standard Inch Pitch Diameters - Thread Check Inc · PDF fileun unc unf unef unc unf standard inch pitch basic 2b 3b 2a 3a 32 28 32 20 28 32 18 32 16 24 32 14 20 28 12 13 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader030fdocumentsusreader030viewer20220215095a9db2457f8b9a96438b7f5ehtml5thumbnails1jpg width=140 height=200 diva href=http:wwwthreadcheckcom rel=ugc nofollow target=_blankhttp:wwwthreadcheckcomadiv