Kelly Drive Bushing from Japan

Precision-machined bushing that engages the square kelly bar in offshore platform rotary tables, transmitting torque to the drill string (HTS 8431.43.40.00). Made from hardened alloy steel for 8430.41/8430.49 boring machinery in marine environments. Core rotary drive component for offshore drilling.

Duty Rate — Japan → United States

25%

Rate breakdown

9903.82.0925%Except as provided for in headings 9903.82.16, 9903.82.20–9903.82.26 and 9903.85.68, articles of copper and derivative aluminum and steel articles, as provided for in subdivisions (c)(vi)–(viii) and (xi) of U.S. note 16 to this subchapter

9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)

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Import Tips

• Exact kelly dimension tolerance (±0.001") must match platform specs; provide Rockwell hardness certs; document as replacement part not complete rotary table