Nitrided Bimetallic Barrel Screw from China
A high-wear-resistant barrel screw with a bimetallic liner and nitrided base material, designed for single-screw extruders processing PVC and other plastics. It falls under HTS 8477.90.45.01 as a specialized part for machinery working plastics or manufacturing plastic products. The nitriding enhances durability against abrasive materials.
Duty Rate — China → United States
38.1%
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
9903.88.0125%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]
Import Tips
• Verify compatibility with specific extruder models via OEM specs to ensure correct classification under 8477
• Provide material composition certificates (e.g
• bimetallic alloy details) to avoid reclassification as general machinery parts