Spiral Conveyor Flight Section
Helical steel flight sections bolted together to form continuous spirals for vertical product conveying. HTS 8431.39.0010 as part of spiral conveyor machinery in heading 8428.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for bulk material handling screws/feeders
Continuous discharge screw conveyors classify under 8438 for other machinery.
If basic steel tubing/pipe sections
Unmachined steel components fall under Chapter 73 tubes/pipes.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Sanitary 304/316 stainless steel requires food-grade certification for FDA-regulated imports
• Pitch and diameter specs critical for duty-free qualification under certain trade agreements
• Pitch mismatch in documentation causes common reclassification issues
Related Products under HTS 8431.39.00.10
Pneumatic Conveyor Diverter Valve
Flap-type valve diverting dilute phase pneumatic conveying streams between multiple destinations. Part principally for pneumatic conveyor systems of heading 8428, HTS 8431.39.0010.
Flexible Screw Conveyor Tube
UHMWPE-lined steel tube housing rotating screw for flexible directional conveying. Principal enclosure part for screw conveyors of heading 8428, HTS 8431.39.0010.
Elevator Buffer Mounting Bracket
Base bracket securing hydraulic or spring oil buffers to pit floor for emergency stopping. Safety mounting part for elevators of heading 8428, HTS 8431.39.0010.
Conveyor Roller Bearing Assembly
Heavy-duty bearing unit integrated into conveyor rollers for smooth material transport in industrial belt or roller conveyors. Falls under HTS 8431.39.0010 as a part principally used with conveyor machinery of heading 8428.
Elevator Safety Gear Assembly
Progressive safety gear that grips guide rails to stop elevator car during overspeed conditions. Principal part for passenger elevators classified under HTS 8431.39.0010.
Chain Conveyor Sprocket
Hardened steel sprocket engaging conveyor chains to drive pallets or heavy loads. Principal part for chain conveyor systems classified under HTS 8431.39.0010.