Cast-Iron Gear Grinding Machine Base Casting
Rough cast-iron base for gear grinding machines designed to hold workpieces steady during abrasive finishing of gear surfaces. Meets HTS 8466.93.15.30 criteria as a base casting advanced only to cleaning and basic location machining for gear finishing tools.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for machines described in additional U.S. note 2
Castings for other specific metalworking tools listed in notes classify separately within the same heading group.
If not specifically for 8456-8461 machines
General cast-iron castings without machine-specific design go to Chapter 73 unfinished castings provisions.
If principally for semiconductor testing equipment
Parts for unlisted semiconductor processing/testing apparatus in Chapter 84 statistical notes classify under 8479.90.
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Import Tips & Compliance
• Document the part's exclusive use in gear grinding machines of heading 8458; inspect for over-machining which could reclassify it
• Use detailed engineering drawings in entry filings
Related Products under HTS 8466.93.15.30
Cast-Iron Gear Hobbing Machine Bed Casting
A cast-iron bed casting for gear hobbing machines used in cutting precise gear teeth on metal workpieces. It is machined only to remove casting imperfections and permit location in finishing machinery, qualifying under HTS 8466.93.15.30 as a bed casting specifically for metalworking machine tools for cutting gears.
Cast-Iron Gear Shaping Machine Table Casting
Cast-iron table casting for gear shaping machines that reciprocate to cut gear profiles on metal blanks. Limited machining for fins removal and fixturing aligns with HTS 8466.93.15.30 for gear cutting machine tables.
Cast-Iron Gear Finishing Machine Headstock Casting
Rough-machined cast-iron headstock casting supporting rotating spindles in gear finishing machines for spline or thread grinding. Specifically for 8456-8461 gear tools under HTS 8466.93.15.30.
Cast-Iron Gear Cutter Tailstock Casting
Cast-iron tailstock casting for supporting long gear blanks in hobbing or milling machines during cutting operations. Cleaned and minimally machined only, per HTS 8466.93.15.30 for gear metalworking tools.
Cast-Iron Gear Grinder Column Casting
Heavy cast-iron column casting providing vertical rigidity for wheelheads in gear grinding machines. Advanced solely by cleaning and locator machining, fitting HTS 8466.93.15.30 gear finishing criteria.
Cast-Iron Gear Hobber Ram Casting
Cast-iron ram casting that drives the hob cutter in gear hobbing machines for generating gear teeth. Meets exact machining limits of HTS 8466.93.15.30 for gear cutting machine rams.