Tungsten Carbide Matrix Core Reamer from Japan
A heavy-duty core reamer with tungsten carbide matrix body (over 0.2% tungsten) for enlarging pilot holes in hard rock tunneling projects. HTS 8207.19.30.60 applies due to its reamer design for rock boring with high-alloy cutting parts. Used in underground mining and civil engineering.
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
• Obtain material test reports certifying tungsten content to support the 8207.19.30 subheading
• Distinguish from milling cutters by emphasizing rock boring end-use in import declarations
• Watch for valuation issues when imported with drilling rods