Alat Pengeboran API Jenis Ulir Gabungan

API Jenis Sambungan Standar API

Alat / Inch

PIN DIA

NC26 = 2-3 / 8 '' JIKA

4

60.35mm

NC31 = 2-7 / 8 '' JIKA

4

71.31mm

NC38 = 3-1 / 2 '' JIKA

4

85.06mm

NC40 = 4 '' JIKA

4

98,06mm

NC44 = 4 '' JIKA

4

98.42mm

NC46 = 4 '' JIKA

4

103,73mm

NC50 = 4-1 / 2 '' JIKA

4

114,30mm

NC56

4

117.50mm