API IF 6-5/8 Inch Forged Tool Joint
6-5/8 inch Internal Form (IF) tool joint meeting API standards for connecting premium drill pipe in gas field hydraulic fracturing operations. HTS 8431.43.8020 covers these forged oil/gas field joints.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If land rig mining applications
Mining boring excludes oil/gas specific provisions.
If imported in sets with couplings
Threaded pipe couplings classified as other steel articles.
If bundled as complete rotary drilling kit
Machinery kits not solely parts shift to sorting machinery heading.
Not sure which classification is right?
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Import Tips & Compliance
• Include mill test certificate showing minimum yield strength (120ksi typical)
• Label each joint with heat/lot numbers for full traceability compliance
Related Products under HTS 8431.43.80.20
Sour Service Forged Tool Joint
Forged tool joint certified for sour service (H2S environments) in oil/gas wells containing hydrogen sulfide, made from NACE MR0175 compliant steel. HTS 8431.43.8020 includes these specialized oilfield connections.
3-1/2 Inch NC38 Forged Tool Joint
3-1/2 inch NC38 numerical connection forged tool joint for conventional vertical oil/gas drilling with standard drill pipe sizes. Covered by HTS 8431.43.8020 as parts for oilfield sinking machinery.
Forged API Reg Tool Joint
A forged tool joint with API Regular thread configuration, designed for connecting drill pipe sections in oil and gas drilling operations. It falls under HTS 8431.43.8020 as a part for boring or sinking machinery of subheading 8430.41 or 8430.49, specifically tool joints for oil and gas field machinery.
Premium NC50 Forged Tool Joint
Premium-class forged tool joint with NC50 numerical connection threads, used in high-torque oilfield drilling to join heavy-weight drill pipes. Classified under HTS 8431.43.8020 for tool joints of oil and gas field boring machinery.
XH-39 XH Tool Joint
Extra-heavy XH-39 tool joint forged for connecting drill collars in deep oil and gas wells, providing superior strength and fatigue resistance. It qualifies under HTS 8431.43.8020 as a forged tool joint for oilfield sinking machinery.
4-1/2 Inch FH Forged Tool Joint
4-1/2 inch Full Hole (FH) forged tool joint optimized for large-diameter oil and gas drilling operations, featuring internal/external upset for maximum flow. Falls under HTS 8431.43.8020 as parts of 8430.41 oilfield machinery.