Dobby Mechanism for Weaving Looms

A dobby mechanism is an auxiliary device used with weaving machines (looms) of heading 8446 to control the harness movement for creating complex weave patterns. It falls under HTS 8448.49.20.00 as auxiliary machinery specifically for use with looms. This precise control enables intricate textile designs without manual intervention.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+17.5%17.5%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

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

8448.59Lower: 10% vs 17.5%

If designed for knitting machines rather than looms

Parts for knitting machines (heading 8447) fall under different subheading 8448.59.

8438.90Lower: 12.8% vs 17.5%

If used with industrial textile processing machinery not limited to weaving

Machinery parts with broader textile applications classify under Chapter 84 heading 8438.

Not sure which classification is right?

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Import Tips & Compliance

Verify compatibility certification with specific loom models from headings 8446 to ensure 'auxiliary machinery' classification

Include detailed technical specs and end-use statements to avoid misclassification as general machinery parts

Related Products under HTS 8448.49.20.00

Selvage Unwinding Device

Selvage unwinders remove fabric edges created during weaving for recycling or waste reduction. HTS 8448.49.20.00 as loom auxiliary machinery. Maintains clean fabric edges and reduces material waste.

Warp Beam Flanges

Warp beam flanges form end plates that hold warp yarns on large weaving beams. Classified HTS 8448.49.20.00 as parts solely for weaving machines. Precision machining ensures proper yarn containment and beam balance.

Picking Element for Projectile Looms

Picking elements grip and propel weft yarn projectiles across loom sheds in modern weaving. HTS 8448.49.20.00 as parts of weaving machines. High-speed precision components enable rapier-free weft insertion.

Jacquard Head for Textile Looms

A Jacquard head is specialized auxiliary machinery for looms that individually controls warp threads to produce highly complex patterns like brocades. Classified under HTS 8448.49.20.00 as auxiliary machinery for weaving machines of heading 8446. It revolutionized textile production by automating intricate designs.

Heald Frames for Weaving Looms

Heald frames hold healds that lift and separate warp yarns during weaving to create shed patterns. Classified under HTS 8448.49.20.00 as parts suitable solely for weaving machines of heading 8446. Essential for precise warp control in textile production.

Drop Wires for Warp Stop Motions

Drop wires are delicate metal sensors that detect broken warp ends by falling onto electrical contacts in stop motion systems. HTS 8448.49.20.00 covers these as accessories of weaving machines. Precision manufacturing ensures reliable thread break detection.