Hosiery Knitting Loop Formers
Precision loop formers (sinker variants) used in automatic hosiery knitting machines (8447) to shape and release yarn loops for seamless sock production. Typically carbide-tipped for wear resistance. HTS 8448.51.5000 covers these as 'other' stitch-forming articles.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If bulk imported without machine-specific design
Interchangeable tools become 'other interchangeable tools,' not dedicated accessories.
If permanently integrated into knitting machine frames
Parts of the machines themselves (not removable accessories) classify directly under 8447.
If equipped with measuring sensors for quality control
Measuring/checking instruments for machines shift to Chapter 90.
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Import Tips & Compliance
• Include OEM part numbers linking to 8447 machines in documentation for binding ruling requests
• Avoid declaring as 'machine parts' generically—specify 'stitch-forming' to stay in 8448.51
Related Products under HTS 8448.51.50.00
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Sinkers optimized for single jersey circular knitting machines producing smooth fabrics for T-shirts. Designed to prevent dropped stitches at high RPMs. Specifically 'other' under HTS 8448.51.5000 for 8447 machine stitch formation.
Rib Knitting Transfer Jacks
Transfer jacks used in ribbing attachments of knitting machines (8447) to move stitches between needle beds for 1x1 rib fabrics. Critical for collar and cuff production.
Computerized Flat Knitter Stitch Cams
Cams that control needle timing in computerized flat knitting for intarsia patterns. Direct stitch formation paths.
Seamless Garment Knitting Needle Jacks
Jacks that lift/select needles in seamless body garment knitters for 3D shaping.
High-Speed Sock Knitting Sinkers
Ultra-thin sinkers for 40+ RPM sock machines, minimizing fabric defects.
Lace Warp Knitting Guides
Eyelet guides for delicate lace warp knitting, preventing yarn breakage.