Left-Hand Thread Stainless Sleeve Coupling from Japan
Specialty stainless steel sleeve with left-hand threads for vibratory applications like rock crushers. Still HTS 7307.22.10.00 as threaded stainless pipe sleeve. Prevents loosening under vibration.
Duty Rate — Japan → United States
50%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) 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)
Import Tips
• Explicitly declare 'left-hand thread' to avoid right-hand assumption
• Include thread pitch gauge verification documents
• Match counterpart left-hand pipe threads in system validation