Doosan DNM 4500 Threading Center from Japan
Heavy-duty vertical machining center for large parts threading with high torque spindles for tough materials. Classified 8459.70.80.80 for metal removal threading/tapping operations on construction equipment components. Features rigid box ways for heavy cuts.
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
• Heavy-duty specs (table load capacity >2 tons) require structural engineering validation
• Coolant system documentation essential for deep-hole threading classification
• Pallet changer systems may trigger 'unit construction' reclassification review