</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

T1 High-Speed Steel Coil for Drills from China

T1 tungsten-type high-speed steel hot-rolled in coils, 700mm wide and 3.5mm thick, for manufacturing twist drills. Meets HTS 7225.30.51.10 criteria as high-speed tool steel with tungsten and specific carbon/chromium content per US Chapter 72 definitions. Essential for tools maintaining sharpness under high heat.

Duty Rate — China → United States

35%

Rate breakdown

9903.03.0110%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
9903.91.0125%Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 to this subchapter

Import Tips

Chemical analysis certificate required to prove high-speed steel status (tungsten ≥5.5% or equivalent)

Confirm 'in coils' status; straightened or cut lengths classify differently

Avoid misclassification as razor blade steel if dimensions match note (d)