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

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 heading 8464: > 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

Duty Rate (from China)

35%
MFN Base RateFree

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 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 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(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)

Total Effective Rate35%

Products classified under HTS 8466.91.10.00

Cast Iron Column Housing for Vertical Machining Center

A cast iron housing for the vertical column of machining centers (heading 8464), with surface cleaned and machined solely for gate/risers removal and assembly location. This structural part supports the spindle assembly in precision metalworking. It remains in rough form pending final machining.

Cast Iron Y-Axis Slide Casting

Cast iron casting for Y-axis slide assembly in CNC grinding machines (8464), with minimal fin/gate machining for finishing alignment. Enables transverse workpiece positioning. Oversized for precision slideway generation.

Cast Iron Motor Mounting Bracket Rough

Rough cast iron bracket for mounting spindle motors in heading 8464 machines, cleaned and sprue-machined for locator pads only. Vibration-damping support structure. Final hole pattern post-import.

Cast Iron Splash Guard Base Casting

Cast iron base for coolant splash guards on grinding machines (8464), with basic casting cleanup machining. Anchors protective shield assembly. Rough vertical faces for custom shield attachment.

Cast Iron Tailstock Base for Grinder

Rough cast iron base for tailstock support in universal grinders (heading 8464), machined only for riser removal and fixture pads. Centers long workpieces during grinding. Blank for quill bore machining.

Cast Iron Way Cover Housing

Cast iron housing for slideway protective covers on heading 8464 machines, cleaned and gate-machined minimally. Protects precision ways from chip/coolant damage. Rough for telescopic cover assembly.

Cast Iron Electrical Box Mounting Plate Rough

Rough cast iron plate for mounting electrical enclosures on grinding machine frames (8464), with fin removal machining only. Supports control boxes safely. Oversized for custom cutouts.

Cast Iron Saddle Casting for Grinder Carriage

Cast iron saddle component for the carriage assembly of precision grinding machines (8464), with basic cleaning and fin removal machining only. This sliding structural element guides workpiece movement. Designed for final precision surfacing post-import.

Cast Iron Machine Base for CNC Machining Center

A rough cast iron base component for machines of heading 8464, such as CNC grinding machines, cleaned and minimally machined only to remove casting defects like fins and gates. This part serves as the foundational mounting structure, ensuring stability during precision grinding operations. It is not advanced beyond basic preparation for final finishing.

Cast Iron Worktable for Surface Grinder

Rough cast iron worktable for surface grinding machines under heading 8464, processed only by cleaning and machining to eliminate sprues, risers, and for fixture alignment. This component provides the flat working surface for workpiece clamping during grinding. Limited processing keeps it suitable for subsequent finishing operations.

Cast Iron Spindle Nose Adapter Blank

Rough cast iron blank for spindle nose adapters used in heading 8464 machining centers, cleaned and machined only to remove casting fins and permit location in CNC finishing equipment. This part interfaces the spindle with tooling during high-speed operations. Processing is limited to foundry cleanup standards.

Cast Iron Coolant Trough Rough Casting

Rough cast iron trough for collecting coolant in heading 8464 machining centers, machined only for sprue removal and base locating pads. Prevents thermal damage during grinding by channeling fluids. Remains unfinished for custom contouring.

Cast Iron Headstock Base for Cylindrical Grinder

Cast iron base for headstock assembly in cylindrical grinding machines (heading 8464), cleaned and minimally machined to remove risers for finishing fixture location. Supports rotating workpiece during OD/ID grinding. Rough condition for final precision work.

Cast Iron Gib Strip Blank for Machine Slides

Rough cast iron blanks for gib strips used in slideways of heading 8464 grinders, with gate removal and edge cleanup machining only. Provides adjustable wear surfaces for precise table movement. Supplied oversized for final grinding.

Cast Iron Chip Pan for Machining Center

Rough cast iron chip collection pan for heading 8464 machining centers, cleaned and machined only for locating risers removal. Captures metal chips and coolant during operation. Blank form for custom drain integration.