Synthetic Diamond Honing Stone from Germany
Segmented stones of agglomerated synthetic diamond for internal honing of cylinders and bores in engine manufacturing. HTS 6804.21.00 covers these hand-sharpening/polishing stones and similar abrasives. Provides consistent surface finishes for automotive and aerospace parts.
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 grit progression (coarse/medium/fine) and mandrel compatibility in invoices for accurate duty assessment
• Ensure no metal framework inclusion; loose stones classify here vs. complete tools