div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentto-rotary-2015-06-05-a-dull-bit-that-remains-useful-iadc-dull-bit-gradinghtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: to Rotary · 2015-06-05 · A dull bit that remains useful IADC Dull Bit Grading Chart A bit breaker 161 157 159 162 A polycrystalline diamond compact PDC bit Radial flow configuration loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader033fdocumentsusreader033viewer20220416005e308c99f94d9d1199078452html5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=documentto-rotary-2015-06-05-a-dull-bit-that-remains-useful-iadc-dull-bit-gradinghtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: to Rotary · 2015-06-05 · A dull bit that remains useful IADC Dull Bit Grading Chart A bit breaker 161 157 159 162 A polycrystalline diamond compact PDC bit Radial flow configuration loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader033fdocumentsusreader033viewer20220416005e308c99f94d9d1199078452html5thumbnails2jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imageimg data-url=documentto-rotary-2015-06-05-a-dull-bit-that-remains-useful-iadc-dull-bit-gradinghtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: to Rotary · 2015-06-05 · A dull bit that remains useful IADC Dull Bit Grading Chart A bit breaker 161 157 159 162 A polycrystalline diamond compact PDC bit Radial flow configuration loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII=...