Bonnel Type Wire Springs for Box Springs from Canada
Hourglass-shaped Bonnel helical springs from wire under 5.1 mm diameter, used in box spring mattress foundations of heading 9404. They deliver firm foundational support beneath foam layers. HTS 7320.20.50.10 applies for their precise mattress support role.
Duty Rate — Canada → United States
53.9%
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
• Use gauge measurement certificates for wire diameter to prevent misclassification to coarser spring categories
• Declare as 'mattress support springs only' on invoices; avoid generic 'coil springs' descriptions