Worm Gear Hobbing Mandrel from China
Tapered mandrel with drive flats for holding worm gear blanks during hobbing operations. Designed for single-threading multi-start worms under heading 8464. HTS 8466.20.10 work holder for gear cutting.
Duty Rate — China → United States
42.1%
Rate breakdown
9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Document taper specifications (MT3/MT4) and worm thread compatibility
• Hardness certification (Rc 58-62) typically required for production mandrels
• Avoid classifying with spare mandrels unless principal use proven