-
Ibe mkpọpu ala dị na ngwaahịa IADC127 7 7/8 inch (200mm)
-
Mbelata obere tricone IADC127 9 5/8 ” (244.5mm)
-
Isi na-agbagharị maka rig IADC127 9 7/8 ”(250.8mm)
-
Ibe mpịakọta cones atọ IADC127 11 5/8 ” (295mm)
-
Ngwugwu olulu mmiri miri emi IADC127 12 1/4 ”(311mm)
-
Ngwugwu olulu mmiri ahaziri ahazi IADC127 14 3/4 ”(374mm)
-
Bits tricone nke a na-ere n'ogbe IADC127 sentimita 17.5 (444.5mm)