6-Inch Matrix Core Bit for Mining
Matrix body core bit with tungsten carbide inserts for continuous mining operations in underground coal or hard rock tunnels. It qualifies for HTS 8207.19.60.70 as a rotary rock drill core bit, other than those for earth boring. Designed for high-impact resistance in harsh mining conditions.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If designed for earth/soft soil boring
Earth boring core bits separate from rock drilling in 8207.19.30 subheading.
If considered plate punches or stamping tools
Tools for punching or stamping metal classify in heading 8209.
If as parts of mining machinery sets
Machinery parts not elsewhere specified may fall under 8479 for mining equipment.
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Import Tips & Compliance
• Label clearly as rock drilling core bits with matrix body specs to avoid reclassification as interchangeable tools
• Include mining safety certifications like MSHA approval for U.S. import validation
Related Products under HTS 8207.19.60.70
7-Inch Hybrid Core Bit
Hybrid bit combining PDC and diamond impregnation for directional rock coring in HDD applications. Falls under HTS 8207.19.60.70 as other rotary core bits for rock. Balances steerability and penetration rate.
11-Inch Exploration Reamer
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5-Inch Water Well Rock Bit
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13-Inch Blast Hole Reamer
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12-Inch Diamond Impregnated Core Bit
A rotary core bit with diamond-impregnated segments designed for drilling into hard rock formations like granite or basalt. It falls under HTS 8207.19.60.70 as an other rotary rock drill bit used in geological exploration and mining. The bit attaches to core drilling rigs for extracting cylindrical rock samples.
8.5-Inch PDC Reamer for Hard Rock
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