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Bixiyaha API ee qodista ceelasha qoto dheer ee IDC537 9 5/8"(244.5mm)
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API TCI badhanka bit IDC537 9 7/8"(250mm) ee qodista ceelasha adag
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Button Rotary Bit IDC537 3 7/8" (98mm)
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Tricone Bits IDC537 4 5/8" (118mm)
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Xirmooyinka laydhka Tricone IDC537 4 3/4" (120.6mm)
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API tricone rock bit IDC537 5 1/4" (133mm)
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API rock drill bit IDC537 5 1/2 "(139.7 mm) ee ceel adag
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Xirmooyinka laydhka API IDC537 5 5/8 ″ (142.9mm)
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Xawaaraha sarreeya ee tungsten carbide feerka IDC537 5 7/8 ″ (149mm)
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Dhagaxyada Tricone ee IDC537 6 inji (152.4 mm)
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tricone-ka Rotary IDC537 6 1/4 inches (159 mm)
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TCI tricone dhagaxyada IDC537 6 3/4" (171mm)