Precision 52100 Alloy Steel Balls for Wafer Lapping Machine Spindles from Mexico
Grade 5 precision 52100 chrome alloy steel balls, through-hardened for maximum fatigue resistance, used in the main spindles of wafer lapping equipment to achieve sub-micron flatness on semiconductor wafers prior to device fabrication. These balls are classified under tariff item 8482.91.00 as parts of ball bearings, specifically balls.
Duty Rate — Mexico → Canada
0%
Import Tips
• Ensure the balls meet the Grade 5 precision specification and provide documentation to the CBSA confirming their use as bearing parts
• Verify the country of origin to determine if a preferential tariff rate under a free trade agreement applies
• Keep records of the alloy composition to support classification