Tungsten Heavy Duty Crown Bit

Impregnated crown bit with tungsten matrix (>0.2%) for ultra-hard rock coring in exploration drilling. HTS 8207.19.30 for high tungsten cutting impregnation in earth boring tools. Extreme durability.

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.

8207.19Same rate: 40%

If synthetic diamond only

No base metal alloy threshold.

8209.00.00Lower: 39.6% vs 40%

If plate punches

Different cutting action.

6804.21.00Lower: 35% vs 40%

If pure diamond tools

Abrasive chapter if no metal cut.

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

Diamond + tungsten specs detailed

Exploration license ties to use

Matrix analysis certificate key

Related Products under HTS 8207.19.30

High-Vanadium PDC Drill Bit

A polycrystalline diamond compact (PDC) drill bit designed for rock drilling in oil and gas exploration, featuring a cutting edge with over 0.1% vanadium by weight for enhanced durability and wear resistance. This tool falls under HTS 8207.19.30 due to its specialized alloy composition in the cutting part, optimized for hard rock formations. It is used with rotary drilling rigs for deep well boring.

Tungsten Carbide Tricone Drill Bit

A three-cone roller bit with tungsten carbide inserts containing over 0.2% tungsten by weight, used for earth boring in mining and construction. Classified under HTS 8207.19.30 for its high-alloy cutting edges that provide superior hardness against abrasive rock. Ideal for rotary drilling in soft to medium formations.

Chromium-Alloyed Core Drill Bit

A diamond-impregnated core barrel bit with cutting matrix over 0.2% chromium by weight, for sampling hard rock in geological surveys. HTS 8207.19.30 applies due to the alloyed cutting part enhancing heat and wear resistance. Used in wireline coring systems for precise earth boring.

Molybdenum-Enhanced DTH Hammer Bit

Down-the-hole (DTH) hammer drill bit with molybdenum-alloyed (over 0.2%) tungsten carbide buttons for percussion drilling in quarrying. Falls under HTS 8207.19.30 for the high-alloy cutting part providing impact toughness. Suited for hard rock blasting hole creation.

Vanadium-Steel Auger Bit for Earth Boring

Helical auger drill bit made from high-vanadium steel (>0.1%) for soil and soft rock boring in foundation work. HTS 8207.19.30 classification due to alloyed cutting edges for extended life in abrasive earth. Compatible with skid-steer or excavator mounts.

High-Chrome Rock Chisel Bit

Pneumatic jackhammer chisel with over 0.2% chromium cutting tip for rock breaking in tunneling. Under HTS 8207.19.30 for alloy composition improving fracture resistance. Used in demolition and mining earth boring operations.