</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →
9404.29.90.50/Custom Offset Coil Innerspring Core/Japan

Custom Offset Coil Innerspring Core from Japan

Offset coil innerspring core providing conforming support, uncovered and built with steel for custom mattress production. Falls under HTS 9404.29.90.50 for other uncovered innerspring units not of rubber/plastics. Designed for floor-placed bedding per chapter placement notes.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Calculate with your customs valueVerify classification with AI

Import Tips

• Custom specs require detailed bills of materials; generic descriptions risk rejection

• Ensure no pre-attached fabric exceeds internal pocket use to stay uncovered