HQ Diamond Impregnated Core Bit

HQ-size (3-7/8 inch) diamond impregnated core bit with tungsten carbide matrix for wireline coring in mineral exploration. Classified HTS 8207.19.30.60 for core bits with tungsten content over 0.2%. Optimized for fractured hard rock recovery.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China5%+35.0%40%
🇲🇽Mexico5%+10.0%15%
🇨🇦Canada5%+10.0%15%
🇩🇪Germany5%+10.0%15%
🇯🇵Japan5%+10.0%15%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8207.90.60.00Lower: 39.3% vs 40%

If natural diamond surface set only

Bits using only natural diamonds without tungsten carbide matrix fall outside the high-alloy specification.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Include wireline coring system compatibility specs to confirm rock drilling classification

Verify diamond concentration and matrix alloy certification

Prevent misclassification as gemstone cutting tools

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