div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=to-rotary-2015-06-05-a-dull-bit-that-remains-useful-iadc-dull-bit-gradinghtmlpage=1 data-page=1 class=ts-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:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220416005e308c99f94d9d1199078452html5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=to-rotary-2015-06-05-a-dull-bit-that-remains-useful-iadc-dull-bit-gradinghtmlpage=2 data-page=2 class=ts-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:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220416005e308c99f94d9d1199078452html5thumbnails2jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=to-rotary-2015-06-05-a-dull-bit-that-remains-useful-iadc-dull-bit-gradinghtmlpage=3 data-page=3 class=ts-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:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220416005e308c99f94d9d1199078452html5thumbnails3jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=4Page 4button div class=ts-imageimg data-url=to-rotary-2015-06-05-a-dull-bit-that-remains-useful-iadc-dull-bit-gradinghtmlpage=4 data-page=4 class=ts-thumb lazyload alt=Page 4: 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:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220416005e308c99f94d9d1199078452html5thumbnails4jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=5Page 5button div class=ts-imageimg data-url=to-rotary-2015-06-05-a-dull-bit-that-remains-useful-iadc-dull-bit-gradinghtmlpage=5 data-page=5 class=ts-thumb lazyload alt=Page 5: 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:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220416005e308c99f94d9d1199078452html5thumbnails5jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=6Page 6button div class=ts-imageimg data-url=to-rotary-2015-06-05-a-dull-bit-that-remains-useful-iadc-dull-bit-gradinghtmlpage=6 data-page=6 class=ts-thumb lazyload alt=Page 6: 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:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC 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class=ts-thumb lazyload alt=Page 8: 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:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220416005e308c99f94d9d1199078452html5thumbnails8jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=9Page 9button div class=ts-imageimg data-url=to-rotary-2015-06-05-a-dull-bit-that-remains-useful-iadc-dull-bit-gradinghtmlpage=9 data-page=9 class=ts-thumb lazyload alt=Page 9: 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:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220416005e308c99f94d9d1199078452html5thumbnails9jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=10Page 10button div class=ts-imageimg data-url=to-rotary-2015-06-05-a-dull-bit-that-remains-useful-iadc-dull-bit-gradinghtmlpage=10 data-page=10 class=ts-thumb lazyload alt=Page 10: 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:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220416005e308c99f94d9d1199078452html5thumbnails10jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=11Page 11button div class=ts-imageimg data-url=to-rotary-2015-06-05-a-dull-bit-that-remains-useful-iadc-dull-bit-gradinghtmlpage=11 data-page=11 class=ts-thumb lazyload alt=Page 11: 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:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220416005e308c99f94d9d1199078452html5thumbnails11jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=12Page 12button div class=ts-imageimg data-url=to-rotary-2015-06-05-a-dull-bit-that-remains-useful-iadc-dull-bit-gradinghtmlpage=12 data-page=12 class=ts-thumb lazyload alt=Page 12: 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:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220416005e308c99f94d9d1199078452html5thumbnails12jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=13Page 13button div class=ts-imageimg data-url=to-rotary-2015-06-05-a-dull-bit-that-remains-useful-iadc-dull-bit-gradinghtmlpage=13 data-page=13 class=ts-thumb lazyload alt=Page 13: 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:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220416005e308c99f94d9d1199078452html5thumbnails13jpg width=140 height=200 divdivdiv class=ts-pagebutton 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