Hydraulic Cylinder Piston Assembly from Japan
Precision-machined piston designed for linear acting hydraulic cylinders used in semiconductor wafer grinders to achieve exact dimensional tolerances on crystal boules. This part falls under HTS 8412.90.90.05 as a component of linear acting hydraulic power engines and motors essential for semiconductor processing equipment. It enables controlled linear motion in high-precision grinding operations.
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
• Verify the part is specifically for linear acting hydraulic systems with engineering specs linking to semiconductor equipment
• Include manufacturer declarations confirming use in Chapter 84 statistical note equipment to avoid reclassification