Rockwell Hardness Tester from Japan
A benchtop machine that measures the hardness of metals using a diamond or steel ball indenter under specified load conditions. It falls under HTS 9024.80.00.00 as a machine for testing the hardness, a mechanical property, of metallic materials.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Verify calibration certificates meet NIST standards for accurate hardness measurement compliance
• Include detailed technical specs and end-use statements to avoid misclassification as lab equipment