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API cones atatu pang'ono IADC537 11 5/8″ (295mm) molimba bwino
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Kuzungulira katatu koni IADC537 12 1/4″(311mm)
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Chitsulo chosindikizidwa ku Far East pobowola miyala IADC537 13 5/8″(346mm)
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API tricone kubowola pang'ono IADC537 14 3/4″ (374mm) kwa thanthwe lolimba
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Tricone wodzigudubuza pokha pobowola IADC537 15.5 ″ (393.7mm) kwa bwino bwino
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TCI kubowola pang'ono IADC537 16″(406.4mm)
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Tungsten Carbide Ikani tricone pang'ono IADC537 17.5″ (444.5mm)
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API & ISO trione wodzigudubuza pang'ono IADC537 26″ (660.4mm)