Diamond Core Bit Crown Replacement

Replaceable diamond core bit crown with tungsten carbide matrix (over 0.2% tungsten) for field re-tipping of worn bits. Classified under HTS 8207.19.30.60 as core bit components with specified alloys. Extends bit life in remote drilling sites.

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.

8207.90.30Same rate: 40%

If imported as unfinished crowns

Crown blanks without diamonds or without final cutting geometry are base metal parts.

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

Classify as complete crowns, not parts, when ready for bit attachment

Include compatibility specs for major bit shanks

Material certs for tungsten content verification

Related Products under HTS 8207.19.30.60

Impreg Diamond Rotary Rock Drill Bit

A rotary rock drill bit featuring impregnated synthetic diamonds in a tungsten carbide matrix for hard rock drilling in mining operations. It falls under HTS 8207.19.30.60 due to its classification as a rotary rock drill bit with cutting edges containing over 0.2% tungsten by weight. Designed for high-penetration rates in abrasive formations like quartzite.

11-1/4 Inch NQ Core Drill Bit

An NQ-size surface set diamond core bit with 11-1/4 inch diameter for geological core sampling in exploration drilling. Classified under HTS 8207.19.30.60 as a core bit with tungsten carbide gauge protection exceeding 0.2% tungsten content. Ideal for medium-hard rock formations in mineral prospecting.

Tungsten Carbide Matrix Core Reamer

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.

PDC Rotary Drag Bit for Hard Rock

Polycrystalline diamond compact (PDC) rotary drag bit with tungsten carbide backing for directional hard rock drilling in oilfield applications. Falls under HTS 8207.19.30.60 for rotary rock drill bits with over 0.2% tungsten content. Features multiple PDC cutters for enhanced durability.

8.5 Inch Tricone Rock Drill Bit

Tungsten carbide insert tricone rock drill bit (8-5 inches) with sealed bearings for rotary drilling in construction pile foundations. HTS 8207.19.30.60 due to high tungsten content in inserts exceeding 0.2% by weight. Suitable for soft to medium-hard formations.

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.