
API Drill Collar 6 1/2"-Nc46
Puyang Zhongshi Group Co., Ltd.- Customized:Customized
- Surface Treatment:Spray
- Type:Spiral Drill Collar
- Standard:API
- Usage:Well Drilling
- Material:Structural Alloy Steel 4145h
Base Info
- Model NO.:6 1,2"
- Transport Package:Steel Frame
- Specification:6 1,2"-NC46
- Trademark:ZS
- Origin:China(Mainland)
- HS Code:843143
- Production Capacity:100000PCS,Year
Description
Drill Collar ThreadOutside Diameter D Inside Diameter d Length Chamfer Diameter Reference Bending Strength Ratio L Df mm in mm in mm mm NC31-41(27/8IF) 104.8 4 1/8 50.8 2 9140or9450 100.4 2.43:1 NC35-47 120.7 4 3/4 50.8 2 9140or9450 114.7 2.58:1 NC38-50(31/2IF) 127 5 57.2 2 1/4 9140or9450 121 2.38:1 NC44-60 152.4 6 57.2 2 1/4 9140or9450 144.5 2.49:1 NC44-60 152.4 6 71.4 2 13/16 9140or9450 144.5 2.84:1 NC44-62 158.8 6 1/4 57.2 2 1/4 9140or9450 149.2 2.91:1 NC46-62(4IF) 158.8 6 1/4 71.4 2 13/16 9140or9450 150 2.63:1 NC46-65(4IF) 165.1 6 2/4 57.2 2 1/4 9140or9450 154.8 2.76:1 NC46-65(4IF) 165.1 6 2/4 71.4 2 13/16 9140or9450 154.8 3.05:1 NC46-67(4IF) 171.4 6 3/4 57.2 2 1/4 9140or9450 159.5 3.18:1 NC50-67(41/2IF) 171.4 6 3/4 71.4 2 13/16 9140or9450 159.5 2.37:1 NC50-70(41/2IF) 177.8 7 57.2 2 1/4 9140or9450 164.7 2.54:1 NC50-70(41/2IF) 177.8 7 71.4 2 13/16 9140or9450 164.7 2.73:1 NC50-72(41/2IF) 184.2 7 1/4 71.4 2 13/16 9140or9450 169.5 3.12:1 NC56-77 196.8 7 3/4 71.4 2 13/16 9140or9450 185.3 2.70:1 NC56-80 203.2 8 71.4 2 13/16 9140or9450 190.1 3.02:1 6 5/8REG 209.6 8 1/4 71.4 2 13/16 9140or9450 195.7 2.93:1 NC61-90 228.6 9 71.4 2 13/16 9140or9450 212.7 3.17:1



