Sinker EDM Machine
A sinker electrical discharge machine that employs a shaped graphite or copper electrode to erode material from a workpiece submerged in dielectric oil, creating complex cavities. Falls under HTS 8456.30.5000 for electro-discharge material removal processes. Commonly used for mold-making in aerospace and medical device manufacturing.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 2.4% | +35.0% | 37.4% |
| 🇲🇽Mexico | 2.4% | +10.0% | 12.4% |
| 🇨🇦Canada | 2.4% | +10.0% | 12.4% |
| 🇩🇪Germany | 2.4% | +10.0% | 12.4% |
| 🇯🇵Japan | 2.4% | +10.0% | 12.4% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for ionic-beam or plasma arc variants
Different non-EDM beam processes in the subheading change classification.
If imported as parts for semiconductor crystal grinders
Parts of semiconductor processing machines like crystal grinders classify separately.
If primarily for precision measurement in testing
Testing apparatus for semiconductors often falls in Chapter 90.
Not sure which classification is right?
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Import Tips & Compliance
• Include electrode material compatibility certifications and power supply ratings in entry docs
• Label as 'electro-discharge' explicitly to avoid reclassification; provide demo videos if audited
Related Products under HTS 8456.30.50.00
High-Speed EDM Drilling Machine
Specialized EDM equipment for fast, small-diameter hole drilling in turbine blades using rotating tubular electrodes and electro-discharge sparks. HTS 8456.30.5000 covers this 'other' electro-discharge process for hard materials. Essential for fuel injection nozzles and cooling holes in jet engines.
Multi-Axis EDM Machine
Advanced 5-axis electrical discharge machine for complex 3D contouring on superalloys without tool wear. HTS 8456.30.5000 for other EDM operations. Applied in turbocharger and implant manufacturing.
Wire EDM Machine
A wire electrical discharge machine (EDM) that uses a thin wire electrode to cut intricate shapes in hard metals by sparking across a dielectric fluid. Classified under HTS 8456.30.5000 as it operates by electro-discharge processes for material removal, specifically for precision tooling and molds. Ideal for industries requiring high accuracy without mechanical force.
Precision Micro-EDM Machine
A compact EDM system capable of micron-level accuracy for micro-machining features in dies and molds using fine-wire or micro-electrodes. Classified in HTS 8456.30.5000 as other electro-discharge machines. Used in electronics and watchmaking for intricate components.
Die Sinking EDM with Electrode Changer
Automated sinker EDM featuring automatic electrode exchange for unmanned production of plastic injection molds. Electro-discharge process qualifies for HTS 8456.30.5000 'other'. Boosts efficiency in high-volume mold shops.