Bridgeport Series I CNC Knee Mill
The iconic Bridgeport Series I with CNC retrofit is a numerically controlled knee-type milling machine for versatile metal removal via milling, drilling, and tapping. Its 42" x 9" table and quill feed system enable precise operations in toolrooms. HTS 8459.51.00 applies to its knee construction and numerical control features.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 4.2% | +35.0% | 39.2% |
| 🇲🇽Mexico | 4.2% | +10.0% | 14.2% |
| 🇨🇦Canada | 4.2% | +10.0% | 14.2% |
| 🇩🇪Germany | 4.2% | +10.0% | 14.2% |
| 🇯🇵Japan | 4.2% | +10.0% | 14.2% |
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.
If converted to non-numerically controlled operation
Non-CNC knee-type milling machines are classified under 8459.40.00.
If designed for bending or folding sheet metal in addition to milling
Multi-function metalworking machines with bending fall under 8462.
If imported as parts for assembly into knee mills
Unassembled machine components or parts are in 8486.40.
Not sure which classification is right?
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Import Tips & Compliance
• Document retrofit CNC details and original knee mill specs to support 8459.51.00 classification
• Avoid common pitfalls by specifying metalworking end-use; non-metal applications may go to 8465
• Include spindle taper and feed rate specs in entries for accurate duty assessment
Related Products under HTS 8459.51.00
Haas VF-2 Vertical Machining Center
The Haas VF-2 is a numerically controlled knee-type milling machine designed for precision metal removal through milling operations. It features a 30" x 16" work envelope, high-speed spindles up to 8,100 RPM, and CNC controls for automated drilling, boring, and threading. Classified under HTS 8459.51.00 as a numerically controlled knee-type milling machine for metalworking.
Hurco VMX24i CNC Knee Mill
The Hurco VMX24i is a compact numerically controlled knee-type milling machine for high-precision metal cutting, boring, and drilling. Equipped with WinMax CNC controls and a 24" x 18" table, it supports complex toolpaths for industrial fabrication. Falls under HTS 8459.51.00 due to its knee design and numerical control for metal removal milling.
Doosan DNM 4000 CNC Knee-Type Mill
Doosan's DNM 4000 is a numerically controlled knee-type milling machine optimized for heavy-duty metal removal in drilling, boring, and contour milling. With Fanuc controls and a robust knee adjustment, it handles workpieces up to 4,000 lbs. Classified in HTS 8459.51.00 for its specific knee-type NC milling design.
Sharp TM-1P CNC Knee Mill
The Sharp TM-1P is a precision numerically controlled knee-type milling machine for small part prototyping and metalworking tasks like engraving and slotting. It features Anilam controls and a compact 27" x 8" table ideal for job shops. HTS 8459.51.00 covers its knee design and CNC metal milling operations.