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Karl Mayer HKS 4-M Tricot Warp Knitting Machine from Japan

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.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

Import Tips

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