Karl Mayer HKS 4-M Tricot Warp Knitting Machine
The Karl Mayer HKS 4-M is a high-speed warp knitting machine designed for producing technical textiles like spacer fabrics and sportswear meshes. It features four needle bars and electronic guide bar control, classifying under HTS 8447.20.40.00 as a warp knitting machine for forming warp yarns into loops simultaneously.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If configured as a flat knitting machine for shaped panels
Flat knitting machines under 8447.20.20 produce weft-structured knits for garments, differing from warp structures.
If primarily used for lace or tulle production
Machines specialized for gimped yarn, lace, or net fall under auxiliary textile machinery in 8448, not general knitting.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Verify machine specifications match 'warp knitting' definition in Chapter 84 notes to avoid misclassification as circular knitting machines
• Include detailed technical brochures and CE certification for EU-origin machines to expedite customs clearance
• Declare exact gauge (e.g
• E28) and working width to ensure accurate duty assessment and prevent undervaluation penalties
Related Products under HTS 8447.20.40.00
LIBA Coptex Multi-Axial Warp Knitting Machine
LIBA Coptex machines create multi-axial technical fabrics by layering and knitting fibers in multiple directions for composites. Classified in HTS 8447.20.40.00 as warp knitting machines due to their guide bar shogging mechanism forming warp-wise stitches.
Comez EX 600 Warp Knitting Machine
Comez EX 600 is a versatile warp knitter for elastic fabrics, narrow tapes, and medical textiles using compound needle technology. Falls under HTS 8447.20.40.00 for warp knitting machines forming simultaneous loops from warp yarns.
JAKOB Müller MF5.2-GP Warp Knitting Machine
The JAKOB Müller MF5.2-GP specializes in producing gimped yarn trims, ribbons, and narrow warp fabrics for apparel decoration. HTS 8447.20.40.00 covers its warp knitting mechanism despite narrow width specialization.
Santoni SWF Top Warp Knitting Machine
Santoni SWF machines produce seamless warp knitted fabrics for hosiery tops and sportswear using double needle bar technology. Classified under HTS 8447.20.40.00 as warp knitting machines for technical garment applications.
Memminger-IRO SE Warp Knitting Frame
Memminger-IRO SE frames are compact warp knitting machines for elastic powernet fabrics used in shapewear and compression garments. HTS 8447.20.40.00 applies to their warp beam-fed knitting process.