Hydraulic Crystal Boule Grinder Chuck
Hydraulic chuck part for holding crystal boules during grinding to exact diameters in semiconductor wafer prep equipment, classified as a hydraulic hand tool part under HTS 8467.99.0190.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If parts of non-handheld grinding machines
If used in stationary semiconductor processing machines, classifies under specific tool parts in 8466.
If as engine or linear acting hydraulic components
Pure hydraulic cylinders or motors without tool specificity go to Chapter 84 pumps and motors.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Include material certificates showing compatibility with silicon/gallium arsenide; declare hydraulic pressure ratings accurately; avoid misclassification as general machinery parts
Related Products under HTS 8467.99.01.90
Pneumatic Wafer Grinding Spindle
A pneumatic-powered spindle assembly designed as a replaceable part for wafer grinders used in semiconductor manufacturing to achieve precise wafer thickness. It falls under HTS 8467.99.0190 as a part of a pneumatic hand tool specialized for processing semiconductor wafers from crystal boules.
Electric Wafer Lapping Motor Housing
Self-contained electric motor housing replacement part for wafer lappers that flatten semiconductor wafers to tight tolerances, under HTS 8467.99.0190 for electric hand tool parts.
Pneumatic Wafer Slicing Saw Arbor
Pneumatic arbor shaft for diamond wafer slicing saws that cut monocrystalline boules into thin wafers, a hand tool part under HTS 8467.99.0190 for semiconductor processing.
Cordless Battery-Powered Wafer Polisher Head
Replaceable polishing head for self-contained electric wafer polishers ensuring mirror-flat surfaces on semiconductor wafers prior to fabrication, HTS 8467.99.0190.
Hydraulic Crystal Puller Tension Arm
Hydraulic tension arm part for Czochralski crystal pullers adapted for hand-held grinding adjustments in semiconductor boule processing, under HTS 8467.99.0190.
Electric Float Zone Crystal Grinder Rotor
Electric rotor assembly for grinders processing float zone semiconductor crystals, part of self-contained motor hand tools under HTS 8467.99.0190.