Threaded
Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel: > Cast fittings: > Other: > Ductile fittings > Other: > Threaded
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Products classified under HTS 7307.19.30.60
Ductile Iron Threaded Coupling
A straight-through threaded coupling of ductile cast iron for joining two threaded pipes end-to-end. HTS 7307.19.30.60 applies to this threaded cast ductile fitting. Ideal for repair or extension in municipal water distribution lines.
Threaded Ductile Iron Hex Bushing
Hexagonal-head threaded bushing of ductile cast iron for easy installation in tight spaces. HTS 7307.19.30.60 covers this threaded ductile fitting type. Popular in mechanical and irrigation piping.
Ductile Iron Threaded Cap Fitting
A threaded cap of ductile cast iron used to seal the end of pipes. Fits HTS 7307.19.30.60 as an other threaded ductile fitting. Common in temporary shutdowns or system ends.
Ductile Iron Threaded Floor Flange
Threaded floor flange of ductile cast iron for securing pipes to floors. HTS 7307.19.30.60 for this threaded ductile type despite flange name. Used in drainage or exposed piping.
Threaded Ductile Iron Barrel Nipple
Long straight nipple with threads on both ends, ductile cast iron. Under HTS 7307.19.30.60 as threaded coupling-like fitting. For spacing in pipe runs.
Ductile Iron Threaded Wye Fitting
Y-shaped threaded wye of ductile iron for branch lines in drainage. HTS 7307.19.30.60 covers threaded other ductile cast fittings. Standard in sanitary sewer laterals.
Threaded Ductile Iron Adapter Fitting
Threaded adapter converting thread types or genders, ductile cast iron. Fits HTS 7307.19.30.60 as other threaded ductile. For mismatched piping systems.
Ductile Iron Threaded Saddling Tee
Saddle tee with threaded branch outlet for tapping into mains, ductile cast iron. HTS 7307.19.30.60 for threaded other ductile fittings. Used in service line connections.
Ductile Iron Threaded Elbow Fitting
A 90-degree elbow fitting made from ductile cast iron with threaded ends, used to connect pipes at right angles in plumbing systems. It falls under HTS 7307.19.30.60 as a threaded cast ductile fitting of iron or steel, distinct from stainless or forged types. Designed for water, gas, or low-pressure applications in residential and commercial piping.
Threaded Ductile Iron Tee Pipe Fitting
A T-shaped ductile iron fitting with all threaded connections, allowing three pipes to join in plumbing or irrigation systems. Classified under HTS 7307.19.30.60 for its threaded ductile cast construction of iron. Commonly used in underground water mains or fire protection piping.
Threaded Ductile Iron Cross Fitting
A four-way cross fitting made of ductile iron with threaded outlets for branching pipes in complex plumbing setups. Falls under HTS 7307.19.30.60 as other threaded ductile cast fittings. Used in industrial drainage or HVAC systems.
Ductile Iron Threaded Reducing Bushing
A threaded bushing fitting that reduces pipe size from one diameter to another, cast from ductile iron. Classified in HTS 7307.19.30.60 for threaded other ductile cast fittings. Essential for transitioning sizes in water supply lines.
Threaded Ductile Iron Union Fitting
A threaded union fitting from ductile iron allowing easy disconnection of pipes without cutting. Under HTS 7307.19.30.60 for threaded cast ductile types. Used in maintenance-heavy water lines.
Ductile Iron Threaded Plug Fitting
Solid threaded plug of ductile cast iron for closing pipe openings. HTS 7307.19.30.60 includes this threaded ductile variant. Applied in pressure testing or blanking.
Threaded Ductile Iron Street Elbow
A street elbow with one threaded female and one male end, cast ductile iron. Classed in HTS 7307.19.30.60 as threaded other ductile fitting. For connecting pipe to fitting in tight spaces.