Other
Parts and accessories suitable for use solely or principally with the machines of headings 8456 to 8465, including work or tool holders, self-opening dieheads, dividing heads and other special attachments for the machines; tool holders for any type of tool for working in the hand: > Other: > For machines of headings 8456 to 8461: > Other: > Other: > Cast-iron parts not advanced beyond cleaning, and machined only for the removal of fins, gates, sprues and risers or to permit location in finishing machinery > Other
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Products classified under HTS 8466.93.60.60
Cast Iron Wafer Polisher Frame Assembly Base
Base frame for wafer polishers achieving flatness for fab processing, minimal cast iron machining under 8466.93.60.60 for heading 8461 equipment.
Cast Iron Crystal Puller Support Arm
Support arm casting for Czochralski pullers, gate-cleaned only, 8466.93.60.60 for 8461.
Cast Iron Wafer Saw Alignment Bracket
Bracket for saw alignment in wafer slicing, basic machining, 8466.93.60.60.
Cast Iron Wafer Grinder Spindle Housing
Housing for spindles in wafer grinders (8461), cast iron with minimal machining for sprue removal and mounting tabs. Used post-slicing to grind wafers to tolerance for semiconductor fab. 8466.93.60.60 due to basic processing state.
Cast Iron Boule Grinder Fixture Plate
Fixture plate for grinding semiconductor crystal boules to diameter specs, cast iron cleaned and located per 8466.93.60.60 for 8461 grinders. Indicates conductivity via flat grinding as per statistical note.
Cast Iron Wafer Crystal Puller Mounting Base
This cast iron base is machined solely to remove casting fins and gates, designed for precise mounting of crystal pullers used in semiconductor boule production under heading 8461. It ensures stability during the Czochralski process for growing monocrystalline silicon ingots. Classifies under 8466.93.60.60 as a cast-iron part not advanced beyond basic cleaning and minimal machining for semiconductor machines.
Cast Iron Wafer Slicing Saw Bed Frame
A cast iron frame for wafer slicing saws under heading 8461, cleaned and machined only at locational points for assembly in semiconductor wafer preparation. It supports precise slicing of monocrystalline boules into wafers. Meets 8466.93.60.60 criteria for minimal processing on cast-iron parts.
Cast Iron Crystal Grinder Work Holder Base
Cast iron base plate for work holders in crystal grinders (heading 8461) used to grind semiconductor boules to wafer diameters. Machined only for fins removal and fixture holes per 8466.93.60.60. Critical for maintaining boule roundness in float zone processing.
Cast Iron Wafer Lapper Table Support
Support structure of cast iron for wafer lapping tables in semiconductor prep equipment (8461), with machining limited to casting cleanup and alignment points. Ensures flatness during lapping process for wafer surface preparation. Fits 8466.93.60.60 as specified cast-iron accessory.
Cast Iron Float Zone Crystal Grower Pedestal
Pedestal base cast in iron for float zone crystal growers under heading 8461, processed only by cleaning gates and drilling locator holes per 8466.93.60.60. Provides vibration-free support for growing pure silicon crystals from polycrystalline rods.