PRODUCT >> Heavy Weight Drill Pipe

Thread of Drill Collar External Diameter D Internal Diameterd Length L mm Diameter of Bevel Angle Df mm Referenced Bending Intensity Rate mm in mm in NC31-417/8IF 104.8 4 1/8 50.8 2 9150 100.4 2.43 NC35-47 120.7 4 3/4 50.8 2 9150 114.7 2.58 NC38-501/2IF 127.0 5 57.2 2 1/4 9150 121.0 2.38 NC44-60 152.4 6 57.2 2 1/4 9150or9450 144.5 2.49 NC44-60 152.4 6 71.4 2 13/16 9150or9450 144.5 2.84 NC44-62 158.8 61/4 57.2 2 1/4 9150or9450 149.2 2.91 NC46-62IF 158.8 61/4 71.4 2 13/16 9150or9450 150.0 2.63 NC46-65IF 165.1 61/2 57.2 2 1/4 9150or9450 154.8 2.76 NC46-65IF 165.1 61/2 71.4 2 13/16 9150or9450 154.8 3.05 NC46-67IF 171.4 63/4 57.2 2 1/4 9150or9450 159.5 3.18 NC50-671/2IF 171.4 63/4 71.4 2 13/16 9150or9450 159.5 2.37 NC50-701/2IF 177.8 7 57.2 2 1/4 9150or9450 164.7 2.54 NC50-701/2IF 177.8 7 71.4 2 13/16 9150or9450 164.7 2.73 NC50-721/2IF 184.2 71/4 71.4 2 13/16 9150or9450 169.5 3.12 NC56-77 196.8 73/4 71.4 2 13/16 9150or9450 185.3 2.70 NC56-80 203.2 8 71.4 2 13/16 9150or9450 190.1 3.02 65/xREG/td> 209.6 81/4 71.4 2 13/16 9150or9450 195.7 2.93 NC61-90 228.6 9 71.4 2 13/16 9150or9450 212.7 3.17