Horizontal Boring Mill Column Fabrication
A welded steel column fabrication for horizontal boring mills (heading 8459), supporting the spindle head and providing vertical travel rigidity. Classified under HTS 8466.93.53 as a column part for machines of 8456-8461. Essential for maintaining alignment in heavy machining tasks.
Import Duty Rates by Country of Origin
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 imported as generic steel structures
Without evidence of sole/principal use with machine tools, defaults to other steel structures.
If for semiconductor boule grinders
Statistical notes direct semiconductor crystal grinder parts to this machinery heading.
If fully machined and assembled
Machined/functional castings shift to later subheading excluding raw castings/weldments.
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Import Tips & Compliance
• Include engineering drawings showing principal use with specific boring mill models; watch for anti-dumping duties on steel weldments from certain origins
• Pitfall: classifying as structural steel if dimensions exceed machine-specific tolerances
Related Products under HTS 8466.93.53
CNC Lathe Bed Casting
A heavy-duty cast iron bed casting designed specifically for CNC lathes under heading 8458, providing the foundational support structure for the machine's ways and spindle alignment. It falls under HTS 8466.93.53 as a bed casting, one of the specified parts for machines of headings 8456 to 8461. This component ensures rigidity and precision during metalworking operations.
Milling Machine Table Casting
Ductile iron casting for the worktable of vertical milling machines (heading 8461), featuring T-slots for fixturing and precise slide surfaces. HTS 8466.93.53 covers such table castings for 8456-8461 machines. Provides stable workpiece support during milling operations.
CNC Drilling Machine Headstock Casting
Cast iron headstock housing for CNC drilling machines (heading 8459), containing spindle bearings and motor mounts. Falls under HTS 8466.93.53 as headstock casting for 8456-8461 machines. Ensures precise rotational control.
Cylindrical Grinder Tailstock Weldment
Steel weldment tailstock for precision cylindrical grinders (heading 8460), adjustable for workpiece support. HTS 8466.93.53 includes tailstock fabrications for these machines. Critical for long-part grinding stability.
Surface Grinder Cross Slide Casting
Precision cast cross slide for reciprocating surface grinders (heading 8460), guiding table motion. Under HTS 8466.93.53 as cross slide casting. Enables accurate grinding paths.
Gear Hobbing Machine Column Casting
High-tensile cast column for gear hobbing machines (heading 8461), supporting hob head. HTS 8466.93.53 for column castings. Vibration-damped for precision gear cutting.