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Crystal Boule Grinder Rotating Blade from Japan

Rotating diamond-impregnated blade for grinding semiconductor crystal boules to exact diameters and flats indicating conductivity type, as in statistical note (a)(ii)(A). Classified under HTS 8406.90.70.00 as rotating blade of vapor turbine grinders in wafer preparation equipment. Ensures wafers meet strict semiconductor industry standards for resistivity uniformity.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

Import Tips

Document flat grinding specs for conductivity marking (e.g

<0.5° tolerance) to tie to statistical note requirements

Use customs ruling requests for blades >300mm boule capacity to preempt challenges

Crystal Boule Grinder Rotating Blade from Japan — Import Duty Rate | HTS 8406.90.70.00