PCD Boring Tool Blanks for Engine Cylinder Honing from China
Mounted polycrystalline diamond blanks specifically designed for precision boring tools used in engine cylinder manufacturing. Provided for in 8207.70.60, these blanks qualify under 9817.82.01 as they need final honing and sizing before installation. Critical for achieving nanometer surface finishes in automotive production.
Duty Rate — China → United States
12.5%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Include engine manufacturer specifications and cylinder bore dimensions,Provide evidence of required post-import grinding/polishing operations,Maintain supplier certifications verifying PCD quality and mounting integrity