Cast-Iron Semiconductor Lapper Frame Casting
Cast-iron frame casting for wafer lapping machines (stat note a)(ii)(C), cleaned and minimally machined for assembly fixturing only. Provides structural support for lap plate drive. HTS 8466.93.15.60 frame castings.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If lapping machine for wafer thickness testing
Dual processing/testing function per stat note goes to Chapter 90.
If frames for complete boule lapping systems
Assembled semiconductor processing machines classify differently.
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Import Tips & Compliance
• Include wafer size specs (4-12 inch) for stat note validation
• Avoid plating or coatings that suggest completion
Related Products under HTS 8466.93.15.60
Cast-Iron Wafer Grinder Wheelhead Casting
Cast-iron wheelhead casting designed for wafer grinders in semiconductor manufacturing (machines of 8461), with only cleaning and minimal machining for fins/gates removal. Essential for holding grinding wheels during wafer surface preparation per statistical note. HTS 8466.93.15.60 covers this unfinished state.
Cast-Iron Jig Boring Machine Cradle Casting
Precision cast-iron cradle casting for jig boring machines (8461), limited machining for sprues and locators. Tilts workpiece for angled boring operations. HTS 8466.93.15.60 cradle castings provision.
Cast-Iron Turret Lathe Cross Slide Casting
Cast-iron cross slide casting for CNC turret lathes (8458), with only casting cleanup and locator machining. Controls tool positioning perpendicular to spindle. Fits HTS 8466.93.15.60 cross slide specification.
Cast-Iron Crystal Grinder Headstock Casting
Cast-iron headstock casting for crystal grinders processing semiconductor boules (stat note a)(ii)(A), unfinished beyond cleaning and locational machining. Rotates crystal for diameter grinding. HTS 8466.93.15.60 for headstock castings.
Cast-Iron CNC Lathe Bed Casting
This cast-iron bed casting is a foundational component for CNC lathes under heading 8458, machined only to remove fins, gates, sprues, and risers for location in finishing machinery. It provides the stable base for mounting the headstock, tailstock, and carriage. Classified under HTS 8466.93.15.60 as a bed casting for lathes not advanced beyond initial cleaning.
Cast-Iron Milling Machine Column Casting
A cast-iron column casting for vertical milling machines (heading 8461), cleaned and minimally machined solely for removal of sprues and to enable finishing machinery placement. It supports the spindle head and provides vertical rigidity. Falls under HTS 8466.93.15.60 for unfinished cast-iron parts of milling machines.