Dividing heads and other special attachments for machines
Parts and accessories suitable for use solely or principally with the machines of headings 84.56 to 84.65, 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. > Dividing heads and other special attachments for machines > Dividing heads and other special attachments for machines
Duty Rate (from China)
Products classified under Tariff item 8466.30
Angle Head Attachment for Machining Centers
An angle head special attachment for machining centers that redirects spindle axis to 90 degrees, enabling access to undercuts and deep cavities without repositioning. It is a special attachment for machines of headings 84.56 to 84.65.
8466.30.00Automatic Pallet Changer Interface
A special attachment interface kit for horizontal machining centers enabling unmanned 8-pallet changes. It is a special attachment for machines of headings 84.59 to 84.61, which include machining centers for working metal, and is classified under tariff item 8466.30.00.
8466.30.00Band Saw Resaw Guide Attachment
A precision-machined aluminum guide that mounts to band saws for straight, tall resawing cuts in lumber, stabilizing the workpiece vertically. It is a special attachment for woodworking machines of heading 84.65.
8466.30.00Boule Diameter Grinder Indexing Head
An indexing head attachment for grinders that achieve precise boule diameters for standard wafer sizes (e.g., 300mm). It is classified under tariff item 8466.30.00 as a special attachment for wafer preparation equipment.
8466.30.00CNC Dividing Head for Milling Machines
A precision dividing head designed for CNC milling machines, enabling accurate angular indexing and rotation of workpieces for machining complex geometries like gears and splines. It is a special attachment for machines of headings 84.56 to 84.65, specifically for dividing heads.
8466.30.00CNC Machine Rotary Table Attachment
A precision rotary table designed as a special attachment for CNC milling machines in headings 84.59 to 84.61, enabling 4th axis machining by rotating the workpiece during operation. It is classified under tariff item 8466.30.00 as a dividing head or special attachment.
8466.30.00CNC Router Dust Collection Shroud
A specialized attachment that mounts to CNC woodworking routers to capture and direct wood dust away from the cutting area, improving visibility and safety. It is designed solely for use with woodworking machines in heading 84.65.
8466.30.00Crystal Boule Grinder
A precision grinder used to shape semiconductor crystal boules to exact diameters and grind orientation flats that indicate conductivity type. It is a special attachment for wafer preparation machines, falling under tariff item 8466.30.00 as a dividing head or other special attachment for machines of headings 84.56 to 84.65.
8466.30.00Crystal Boule Grinder Work Holder
A self-centering work holder attachment for crystal grinders that shape semiconductor boules to precise diameters and flats indicating conductivity. It is classified under tariff item 8466.30.00 as a special attachment for wafer preparation.
8466.30.00Crystal Orientation Dividing Head
A rotary dividing head that precisely orients semiconductor crystals during grinding to expose specific crystallographic planes. It is a special attachment for machines used in semiconductor wafer preparation, classified under tariff item 8466.30.00.
8466.30.00Crystal Puller Rotation Drive Attachment
A motorized rotation drive special attachment for Czochralski pullers maintaining uniform crystal growth doping. It is classified under tariff item 8466.30.00 as a dividing or other attachment on semiconductor crystal growers.
8466.30.00Czochralski Crystal Puller
A machine used to produce monocrystalline silicon boules by pulling a seed crystal from molten silicon in the Czochralski process. It is classified as a special attachment for semiconductor manufacturing machines under tariff item 8466.30.00.
8466.30.00Czochralski Crystal Puller Attachment Kit
A specialized attachment kit designed for use with crystal growing machines in semiconductor wafer manufacturing, enabling the Czochralski method to produce monocrystalline silicon boules. It falls under tariff item 8466.30.00 as a special attachment.
8466.30.00Double-Side Semiconductor Wafer Grinder
A simultaneous double-side grinder that processes both wafer faces concurrently for optimal flatness in semiconductor device fabrication. It is a special attachment for wafer preparation equipment, classified under tariff item 8466.30.00.
8466.30.00Drill Press Wood Boring Head
A multi-spur adjustable boring head for clean, precise mortise and tenon holes in woodworking drill presses. It mounts directly to drill press quill for 84.65 machines, as a special attachment.
8466.30.00Extended Reach Boring Head Adapter
A special attachment extending boring bar reach by 24+ inches for machining centers, preventing spindle interference in deep hole operations. It is a special attachment for machines of headings 84.59 to 84.61, which include machining centers for working metal, and is classified under tariff item 8466.30.00.
8466.30.00Float Zone Crystal Grower
A specialized apparatus employing the float zone method to purify and grow monocrystalline semiconductor boules without a crucible. It falls under tariff item 8466.30.00 as a special attachment for machines used principally in semiconductor manufacturing.
8466.30.00Float Zone Crystal Grower Dividing Head
A precision dividing head attachment designed for float zone crystal growing machines, used to rotate and position semiconductor boules during monocrystalline growth. It qualifies as a special attachment for machines of heading 84.64, which covers equipment for working stone, ceramics, and similar materials, including semiconductor boules.
8466.30.00Gallium Arsenide Wafer Slicer
A specialized slicing machine optimized for brittle GaAs compound semiconductor boules, featuring lower feed rates and coolant systems. It is classified under tariff item 8466.30.00 as a special attachment for compound semiconductor processing.
8466.30.00High-Precision Air-Bearing Dividing Head
An air-bearing dividing head for 5-axis machining centers, offering sub-arcsecond accuracy for aerospace and semiconductor applications. It is a special attachment for machines of headings 84.56 to 84.65, specifically a dividing head.
8466.30.00High-Speed Spindle Speed Multiplier
A gearbox attachment multiplying machining center spindle speed 1:4 for micromachining down to 0.1mm features. It is a special attachment for machines of headings 84.59 to 84.61, which include machining centers for working metal, and is classified under tariff item 8466.30.00.
8466.30.00Jointer Fence Micro-Adjustment Kit
A precision micro-adjuster attachment for jointer fences, allowing 0.001-inch incremental angle adjustments for perfect edge jointing. It is for woodworking jointers of heading 84.65, classified as a special attachment.
8466.30.00Manual Indexing Dividing Head BS-0 Model
A compact manual dividing head for vertical milling machines, featuring a 3-jaw chuck and worm gear for 360:1 ratio indexing in 2.5-degree increments. It is a special attachment for machines of headings 84.56 to 84.65, specifically a dividing head.
8466.30.00Miter Saw Laser Guide Attachment
A red laser line generator that clamps to miter saw arms, projecting precise cut lines on wood workpieces for accurate angle cuts. It is exclusively for woodworking miter saws in heading 84.65, as a special attachment.
8466.30.00Monocrystalline Boule Slicer Arbor Attachment
An arbor attachment for high-precision slicing saws that converts semiconductor boules into wafers with minimal kerf loss. It is a special attachment for machines of heading 84.64, which includes saws for working stone, ceramics, and similar materials, and is classified under tariff item 8466.30.00.
8466.30.00Planer Thickness Gauge Digital Readout
A digital display attachment that mounts to thickness planers for precise mm/inch thickness measurement, replacing manual scales. It is solely for woodworking planers of heading 84.65, as a special precision attachment.
8466.30.00Router Lift Collet Adjustment Mechanism
A mechanical lift system for precise collet height adjustment on router table lifts, enabling bit changes without tools. It is designed exclusively for woodworking router machines in heading 84.65, under special attachments.
8466.30.00Sandblast Cabinet Abrasive Recovery System
A cyclone separator attachment for woodworking sandblast cabinets that recycles abrasive media while removing wood dust. It is principally for sandblast machines in wood applications, under tariff item 8466.30.00.
8466.30.00Semi-Automatic Dividing Head with Pneumatic Clamp
A semi-automatic dividing head for horizontal boring mills, including pneumatic clamping and servo-driven indexing for high-volume production. It is a special attachment for machines of headings 84.56 to 84.65, specifically a dividing head.
8466.30.00Semiconductor Wafer Lapper
A machine that laps both sides of semiconductor wafers simultaneously to achieve precise thickness uniformity and flatness for subsequent processing. As a special attachment for wafer prep machines, it falls under tariff item 8466.30.00.
8466.30.00Semiconductor Wafer Polisher Dividing Head
A rotary dividing head for wafer polishers that achieve mirror-finish surfaces on semiconductor wafers prior to device fabrication. It is a special attachment for polishing machines of heading 84.64, which covers equipment for working stone, ceramics, and similar materials, and is classified under tariff item 8466.30.00.
8466.30.00Semiconductor Wafer Slicing Saw Tool Holder
A special tool holder attachment for wafer slicing saws that cut monocrystalline boules into thin semiconductor wafers. It qualifies as a special attachment for machines of heading 84.64, which includes saws for working stone, ceramics, and similar materials, and is classified under tariff item 8466.30.00.
8466.30.00Shaper Spindle Dust Shield
A transparent polycarbonate shield enclosing shaper spindles to contain wood chips and flying debris during profile cutting. It is custom-fit for woodworking shapers of heading 84.65, as a special safety attachment.
8466.30.00Single-Side Wafer Polisher
A precision polisher that creates a mirror-finish on one side of semiconductor wafers for device fabrication processes. It is classified as a special attachment under tariff item 8466.30.00 for use with wafer grinding machines.
8466.30.00Table Saw Featherboard Attachment
A safety device with flexible plastic fingers that guides wood stock firmly against the fence on table saws, preventing kickback during ripping operations. It is exclusively compatible with woodworking table saws of heading 84.65.
8466.30.00Universal Dividing Head DH-250 for Gear Cutting
A universal dividing head supporting gear hobbing and shaping machines, with rapid traverse and multiple spindle configurations. It is a special attachment for machines of headings 84.56 to 84.65, specifically a dividing head.
8466.30.00Wafer Edge Profiling Attachment
A specialized tool that profiles wafer edges to prevent chipping and contamination during handling in semiconductor fabs. It is classified under tariff item 8466.30.00 as a dividing head or other special attachment for wafer processing machines.
8466.30.00Wafer Grinder Flange Holder
A custom flange holder attachment securing wafers during back-grinding to target thickness in semiconductor preparation. It is a special attachment for grinding machines of heading 84.64, which covers equipment for working stone, ceramics, and similar materials, and is classified under tariff item 8466.30.00.
8466.30.00Wafer Lapping Machine Special Attachment
A precision attachment for wafer lappers ensuring flatness tolerances during semiconductor wafer preparation for fabrication. It is a special attachment for lapping machines of heading 84.64, which covers equipment for working stone, ceramics, and similar materials, and is classified under tariff item 8466.30.00.
8466.30.00Wafer Slicing Diamond Saw
A high-precision inner-diameter saw with a diamond blade for slicing ultra-thin wafers from monocrystalline semiconductor boules. It is classified under tariff item 8466.30.00 as a special attachment dedicated to semiconductor wafer manufacturing.