Precision Lapping Machine for Hydraulic Valve Spools from Canada
A flat-bed lapping machine using diamond abrasives to achieve micron-level flatness on metal hydraulic valve spools and cermet wear surfaces. Used in heavy machinery manufacturing for leak-proof sealing. Under 8460.90.80.80 for lapping/finishing metal surfaces with abrasives.
Duty Rate — Canada → United States
14.4%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include flatness tolerance specs (e.g
• <1 micron) and abrasive type in invoices to justify machine tool status
• Certify for industrial metalworking use only; avoid lab or semiconductor references in marketing materials