Circular Knitting Machine Sinkers from Japan
Sinkers are specialized metal components used in circular knitting machines (heading 8447) to hold and release yarn loops during stitch formation. They are precision-engineered for high-speed operations in producing seamless tubular fabrics like socks or hosiery. Classified under HTS 8448.51.5000 as 'other articles used in forming stitches' for knitting machinery.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Verify compatibility with specific knitting machine models under heading 8447 to confirm principal use and avoid reclassification
• Require material composition certificates (e.g
• steel alloy specs) as sinkers must be solely for stitch formation, not general tools