Spindle Flyer Assembly

High-speed spindle flyers for ring spinning frames (heading 8444) that impart twist to yarn formation. Classified HTS 8448.20.50 as accessories principally used with spinning machinery. Critical for yarn tension control and balloon formation.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.3%+17.5%20.8%
🇲🇽Mexico3.3%+10.0%13.3%
🇨🇦Canada3.3%+10.0%13.3%
🇩🇪Germany3.3%+10.0%13.3%
🇯🇵Japan3.3%+10.0%13.3%

More Specific Codes

This product may fall under a more specific subheading:

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8448Same rate: 20.8%

If shuttle changing mechanisms rather than spindle components

Different auxiliary functions have specific subheadings.

8483.10.50Higher: 35% vs 20.8%

If imported as transmission crankshafts without spinning frame designation

Crankshafts classified as general transmission parts.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Specify RPM ratings proving high-speed textile spinning compatibility

Balance certification required for vibration-free operation

Avoid general machinery parts classification by documenting yarn tension specs

Related Products under HTS 8448.20.50

Float Zone Crystal Grower

Float zone crystal grower used to produce high-purity monocrystalline silicon boules via the float zone method for semiconductor wafer fabrication. Falls under HTS 8448.20.50 as other auxiliary machinery for heading 8444 machines in semiconductor material processing. Critical for achieving ultra-low impurity levels required in device manufacturing.

CMP Wafer Polisher

Chemical Mechanical Planarization (CMP) polisher for final surface preparation of semiconductor wafers prior to device fabrication. HTS 8448.20.50 as other parts of heading 8444 auxiliary machinery for wafer processing. Achieves atomic-level flatness required for photolithography.

Jacquard Harness Assembly

Complex Jacquard harness systems with hooks and wires for pattern weaving on heading 8444 machines. Classified under HTS 8448.20.50 as auxiliary machinery parts for intricate textile designs. Enables unlimited pattern complexity through individual warp control.

Crystal Puller for Silicon Wafer Production

A crystal puller employing the Czochralski method to grow monocrystalline silicon boules from which semiconductor wafers are sliced. Classified under HTS 8448.20.50 as auxiliary machinery for machines of heading 8444 used in semiconductor wafer manufacturing processes. It enables the production of pure semiconductor material essential for device fabrication.

Crystal Boule Grinder

Precision crystal grinder that shapes semiconductor boules to exact diameters and grinds flats indicating conductivity type for wafer preparation. HTS 8448.20.50 classification as parts/accessories of heading 8444 auxiliary machinery for semiconductor processing. Ensures wafers meet strict dimensional tolerances.

Semiconductor Wafer Slicing Saw

Diamond wire wafer slicing saw designed to cut ultra-thin slices from monocrystalline semiconductor boules for device fabrication. Classified HTS 8448.20.50 as other auxiliary machinery for heading 8444 in wafer manufacturing equipment. Achieves kerf loss minimization critical for yield optimization.