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Ragowar rawar API IADC537 5 5/8″ (142.9mm)
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Rage-rage na'urar haƙa tungsten carbide mai sauri IADC537 5 7/8″ (149mm)
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Ƙananan duwatsun Tricone IADC537 inci 6 (152.4 mm)
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Bit ɗin trione mai juyawa IADC537 inci 6 1/4 (159 mm)
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Ƙananan duwatsun TCI TRICONE IADC537 6 3/4″ (171mm)
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Maɓallin API IADC537 inci 6.5 (165mm) tare da farashi mai rahusa
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TCI dutsen bit IADC537 7 1/2” (190 mm)
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Bit ɗin tricone na masana'antar API IADC537 7 5/8” (193.7 mm)
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Bit ɗin TCI TRICONE IADC537 inci 7 7/8 (200 mm)
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Bit ɗin Tungsten Carbide IADC537 8 1/2″(215.9mm)
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Maɓallin maɓalli na dutsen API IADC537 8 3/4″(222.2mm) tare da farashi mai rahusa
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Ma'aunin haƙa TCI IADC537 9 1/2″(241mm) don rijiyar mai mai tauri