Semiconductor Crystal Grinder Diamond Dresser from Germany
Single-crystal diamond dresser tool for truing and dressing grinding wheels in semiconductor boule grinders. Ensures consistent wheel profile for precise flat grinding. Replacement part for wafer preparation grinders in 8442.40.00.00.
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
• Document diamond size (typically 1-3 carats) and mounting shank dimensions
• Classify as complete dresser assemblies, not loose diamonds, to maintain machinery part status
• Watch for re-export requirements if used in high-security semiconductor facilities