Ring Spinning Machine Spindle
A precision-engineered spindle designed for ring spinning machines under heading 8445, used to twist and wind yarn onto bobbins during cotton or synthetic fiber spinning. It falls under HTS 8448.33.00.00 as a dedicated part solely for use with ring spinning frames. High-speed rotation ensures uniform yarn production in textile mills.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If sold as a bearing-integrated unit for broader industrial use
Incorporation of transmission elements like ball bearings shifts classification to Chapter 84 for transmission shafts and cranks.
If for open-end rotor spinning machines
Parts for rotor spinning (not ring spinning under 8445) fall under heading 8419 for open-end spinning machinery.
If marketed as a replacement for multiple machine types beyond 8445
Unspecific use parts are classified as machines/unspecified parts in 8479, not dedicated to textile spinning.
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Import Tips & Compliance
• Verify compatibility certification with specific ring spinning machine models under heading 8445 to avoid misclassification as general machinery parts
• Include detailed technical specs and end-use declaration in import docs to prove principal use in yarn spinning, preventing reclassification
• Check for anti-dumping duties on textile machinery parts from certain Asian origins; obtain mill test reports for material composition
Related Products under HTS 8448.33.00.00
Spindle Flyer Assembly
The spindle flyer, a rotating component attached to ring spinning spindles, guides the yarn traveler and flyer during twisting in worsted yarn production. Classified under HTS 8448.33.00.00 as an accessory principally for heading 8445 machines. Essential for maintaining yarn tension and balloon control.
Cotton Ring Spinning Traveler
A small wire clip-on traveler for ring spinning rings, optimized for cotton yarns up to 30s Ne count, enabling high-speed yarn winding. HTS 8448.33.00.00 covers it as a ring traveler accessory for 8445 spinning machines. Replaceable design accommodates different yarn speeds and types.
Steel Spinning Ring
Durable steel ring mounted on ring spinning frames to guide the traveler during yarn twisting, typically 40-50mm diameter for worsted spinning. Falls under HTS 8448.33.00.00 as a principal part of heading 8445 machines. Grooved design reduces yarn hairiness.
High-Speed Synthetic Yarn Spindle
Lightweight spindle rated for 20,000+ RPM in synthetic polyester yarn ring spinning under heading 8445. HTS 8448.33.00.00 due to exclusive use in textile ring frames. Includes tension device for uniform winding.
Brass Ring Traveler for Wool Spinning
Brass traveler optimized for woolen yarn ring spinning, resists corrosion in humid mills. HTS 8448.33.00.00 as ring traveler for heading 8445 wool spinning frames. Self-lubricating flange design.
Ceramic-Coated Spinning Ring
Ring with ceramic coating for reduced friction in high-speed polyester spinning under 8445. Falls under HTS 8448.33.00.00 as adapted spinning ring part. Extends ring life 3x over steel.