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Amabhithi okubhoboza e-API IADC537 5 5/8″ (142.9mm)
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Amabhithi okubhola e-tungsten carbide anesivinini esiphezulu i-IADC537 5 7/8″ (149mm)
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Ama-bits e-Tricone rock IADC537 amasentimitha angu-6 (152.4 mm)
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I-rotary tricone bit IADC537 6 1/4 amayintshi (159 mm)
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Ama-bits e-TCI tricone rock IADC537 6 3/4″ (171mm)
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Inkinobho ye-API i-IADC537 6.5 inches (165mm) ngentengo encishisiwe
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I-TCI rock bit IADC537 7 1/2” (190 mm)
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I-API factory tricone bit IADC537 7 5/8” (193.7 mm)
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I-TCI tricone bit IADC537 7 7/8 amayintshi (200 mm)
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I-Tungsten Carbide Insert Bit IADC537 8 1/2″(215.9mm)
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I-API button rock drill bit IADC537 8 3/4″(222.2mm) ngentengo ehlisiwe
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I-TCI drill bit IADC537 9 1/2″(241mm) ye-hard rock oilwell