Secoroc Rockrunner Percussion Drill Bit from Japan
The Secoroc Rockrunner is a 45mm percussion rock drill bit designed for use in top hammer drilling systems in hard rock mining operations. It features a parabolic carbide insert profile for optimal penetration rates and reduced wear in granite and basalt formations. Classified under HTS 8207.19.60.30 as a percussion rock drill bit for rock drilling tools.
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 bit diameter and thread type match exactly with importer specifications to avoid misclassification; provide mining equipment end-use certification; inspect for carbide content documentation as it affects valuation