Wafer Grinder Spindle Speed Changer from Germany
Manual multi-speed gearbox for semiconductor wafer grinding equipment spindle drive. Allows precise RPM selection for different grind/lap/polish stages. HTS 8483.40.50 as manually operated speed changer.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Specify surface finish capabilities (Ra < 1 nm) and flatness tolerances
• Include vibration isolation specs for semiconductor cleanroom use
• Verify separability from grinder head to maintain standalone classification