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Te wheketere keri toka tricone whakauru tungsten carbide HDD
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Tricone pilot rokc bit 7 7/8″ 200mm IADC537 mō te keri HDD
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He mata matua PDC rarawe mō te keri waro toka mārō kei roto i te taonga
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Ngā moka kōne toka HDD wheketere API mō te keri poka mārō
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Kei roto i te taonga te mata keri roera hurihuri API Haina IADC742 12 1/4″
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Ngā mata keri hurihuri API IADC425 mō te keri koura
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Ngā moka tricone hurihuri API IADC735 mō te hanganga mārō
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Wheketere API o te pane hurihuri IADC635 mō te keri keri
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Te pane keri o te pūwero hinu API Haina mō te puna hinu hohonu, mārō hoki
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Mata Matua Taimana Whakakīia mō te tūhuratanga whenua kohuke
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Ngā mata wiri pairati HDD niho mira API IADC127 mō te toka mārō
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Haina, he maha ngā mata keri HDD mō te toka mārō kei roto i te taonga.